Best OEM Design Oil Cooler

Looking for the Best OEM Design Oil Cooler? We offer a heavy-duty, long-lasting solution that keeps your engine cool, efficient, and leak-free, ensuring smooth driving and saving you money.

Upgrade your engine’s performance with the Best OEM Design Oil Cooler. This heavy-duty solution is built to last longer and work better than standard parts. It’s the smart choice for keeping your engine cool and efficient.

Experience smooth, leak-free driving with a perfect fit for your vehicle. Trust in proven quality to protect your engine and save you money in the long run.

List of Top 10 OEM Design Oil Cooler

Image Title Best For Price
926-959 Upgrade Aluminum Engine Oil Cooler Oil Filter Housing for 2011-2016 Jeep Wrangler Grand Cherokee Dodge Challenger Charger Journey Caravan Durango Chrysler 200 300 Town Country Ram 3.6L 926-876 926-959 Upgrade Aluminum Engine Oil Cooler Oil Filter Housing for 2011-2016 Jeep Wrangler Grand Cherokee Dodge Challenger Charger Journey Caravan Durango Chrysler 200 300 Town Country Ram 3.6L 926-876

This heavy-duty aluminum engine oil cooler housing is a perfect upgrade for Jeep Wrangler, Grand Cherokee, Dodge Challenger, Charger, and Chrysler owners with a 3.6L engine. If you’re looking for a durable, leak-tested replacement that fits like a glove, this is the part you need.

View on Amazon (paid link)
GAOBEN 926-876 926-959 Upgraded Aluminum Engine Oil Filter Housing with Oil Cooler For 2011-2016 Chrysler 200 300 Dodge Charger Challenger Journey Caravan Durango Avenger, Wrangler, Ram ProMaster 3.6L GAOBEN 926-876 926-959 Upgraded Aluminum Engine Oil Filter Housing with Oil Cooler For 2011-2016 Chrysler 200 300 Dodge Charger Challenger Journey Caravan Durango Avenger, Wrangler, Ram ProMaster 3.6L

This GAOBEN 926-876 926-959 Upgraded Aluminum Engine Oil Filter Housing with Oil Cooler is perfect for car owners who want a reliable replacement for their 2011-2016 Chrysler, Dodge, Jeep, or Ram vehicle with a 3.6L engine. It’s ideal for those looking to avoid oil leaks and breakage caused by the original plastic case.

View on Amazon (paid link)
keriolee Aluminum Engine Oil Cooler, Oil Filter Housing 3.6L Adapter For 2017-2018 Chrysler 200 300 Jeep Cherokee Grand Cherokee Dodge Charger Challenger Journey Wrangler Ram ProMaster keriolee Aluminum Engine Oil Cooler, Oil Filter Housing 3.6L Adapter For 2017-2018 Chrysler 200 300 Jeep Cherokee Grand Cherokee Dodge Charger Challenger Journey Wrangler Ram ProMaster

This Keriolee Aluminum Engine Oil Cooler is perfect for car owners who want to protect their engine and avoid costly repairs. It’s ideal for 2017-2018 Chrysler, Dodge, Jeep, and Ram vehicles with a 3.6L engine.

View on Amazon (paid link)
Engine Oil Cooler Filter Housing Assembly Adapter with Gasket, Filter Insert, Cap Compatible with 2011-2021 Chevy Cruze Sonic Trax Buick Encore 1.4L Turbo Replace 55566784 918-428 55565388 88179-91400 Engine Oil Cooler Filter Housing Assembly Adapter with Gasket, Filter Insert, Cap Compatible with 2011-2021 Chevy Cruze Sonic Trax Buick Encore 1.4L Turbo Replace 55566784 918-428 55565388 88179-91400

This Engine Oil Cooler Filter Housing Assembly is perfect for Chevy Cruze, Sonic, Trax, and Buick Encore owners with a 1.4L Turbocharged engine from 2011 to 2021. If you need a reliable, direct replacement that’s built to last, this is the ideal choice for your vehicle.

View on Amazon (paid link)
Engine Oil Cooler Filter Housing Assembly Adapter with Gaskets Compatible with 2008-2019 Chevy Cruze Sonic Aveo Malibu, Buick Cascada, Pontiac G3, Saturn Astra 1.6L 1.8L Replaces 918-432 25199751 Engine Oil Cooler Filter Housing Assembly Adapter with Gaskets Compatible with 2008-2019 Chevy Cruze Sonic Aveo Malibu, Buick Cascada, Pontiac G3, Saturn Astra 1.6L 1.8L Replaces 918-432 25199751

This Engine Oil Cooler Filter Housing Assembly Adapter is perfect for car owners who want to keep their engine running smoothly. It’s ideal for those with compatible Chevy, Buick, Pontiac, or Saturn models looking for a reliable, high-quality replacement part.

View on Amazon (paid link)
PAPAPARTS Engine Oil Cooler Kit Compatible with Ford F250 F350 F450 F550 E350 E450 Super Duty Excursion Powerstroke Diesel 6.0 V8 Replace 3C3Z-6A642-CA 904-228 PAPAPARTS Engine Oil Cooler Kit Compatible with Ford F250 F350 F450 F550 E350 E450 Super Duty Excursion Powerstroke Diesel 6.0 V8 Replace 3C3Z-6A642-CA 904-228

This PAPAPARTS Engine Oil Cooler Kit is perfect for Ford owners who want to keep their engines running smoothly. It’s ideal for those with 6.0 V8 Powerstroke Diesel engines in F250, F350, F450, F550, E350, E450, Super Duty, or Excursion models.

View on Amazon (paid link)
Dorman 918-140 Engine Oil Cooler Compatible with Select Audi / Volkswagen Models Dorman 918-140 Engine Oil Cooler Compatible with Select Audi / Volkswagen Models

This Dorman 918-140 Engine Oil Cooler is perfect for Audi and Volkswagen owners who need a reliable replacement for their failed oil cooler. It’s easy to install and built to last, ensuring your engine stays cool and runs smoothly.

View on Amazon (paid link)
Oil Cooler Oil Filter Housing with Gaskets | Compatible With 3.6L 2011-2016 Dodge Journey Grand Caravan Jeep Wrangler Chrysler 200 300 Ram ProMaster & More | Replaces# 5184294AE, 68105583AF Oil Cooler Oil Filter Housing with Gaskets | Compatible With 3.6L 2011-2016 Dodge Journey Grand Caravan Jeep Wrangler Chrysler 200 300 Ram ProMaster & More | Replaces# 5184294AE, 68105583AF

This oil cooler oil filter housing is perfect for drivers who want to keep their engine running smoothly. It’s ideal for owners of 2011-2016 Dodge, Jeep, Chrysler, and Ram vehicles with a 3.6L engine.

View on Amazon (paid link)
Engine Oil Cooler Filter Housing Assembly Adapter with Gasket, Filter Insert, Aluminum Cap Compatible with 1.4L Turbo 2011-2021 Chevy Cruze Sonic Trax Buick Encore Replace# 918-428 55566784 Engine Oil Cooler Filter Housing Assembly Adapter with Gasket, Filter Insert, Aluminum Cap Compatible with 1.4L Turbo 2011-2021 Chevy Cruze Sonic Trax Buick Encore Replace# 918-428 55566784

This engine oil cooler filter housing assembly is perfect for Chevy Cruze, Sonic, and Trax owners, as well as Buick Encore drivers, who want to protect their 1.4L turbo engine from overheating and ensure smooth, reliable performance.

View on Amazon (paid link)
926-876 Aluminum Engine Oil Cooler, Oil Filter Housing Adapter For 2011-2016 Chrysler 200 300, Dodge Charger Challenger Journey, Jeep Wrangler Grand Cherokee, Ram ProMaster 1500, Replace# 68105583AF 926-876 Aluminum Engine Oil Cooler, Oil Filter Housing Adapter For 2011-2016 Chrysler 200 300, Dodge Charger Challenger Journey, Jeep Wrangler Grand Cherokee, Ram ProMaster 1500, Replace# 68105583AF

This oil cooler is perfect for car owners who want to protect their engine and improve performance. It’s ideal for 2011-2016 models of Chrysler, Dodge, Jeep, and Ram vehicles.

View on Amazon (paid link)

Detailed Reviews

Discover the top 10 OEM Design Oil Coolers, handpicked for performance, durability, and value. Each cooler is expert-reviewed and backed by real customer feedback, ensuring you get the best fit for your vehicle. Whether you prioritize reliability or affordability, this guide simplifies your choice. Dive in to find the perfect upgrade for your engine’s cooling needs!

1. 926-959 Upgrade Aluminum Engine Oil Cooler Oil Filter Housing for 2011-2016 Jeep Wrangler Grand Cherokee Dodge Challenger Charger Journey Caravan Durango Chrysler 200 300 Town Country Ram 3.6L 926-876

926-959 Upgrade Aluminum Engine Oil Cooler Oil Filter Housing for 2011-2016 Jeep Wrangler Grand Cherokee Dodge Challenger Charger Journey Caravan Durango Chrysler 200 300 Town Country Ram 3.6L 926-876

Upgrade your ride with this heavy-duty aluminum engine oil cooler housing. Say goodbye to flimsy plastic and hello to superior performance and a longer lifespan for your engine.

This part is a perfect fit, designed to seamlessly replace your old one without any fuss. It’s built to exact standards for a direct, easy installation.

It fits many Jeep, Dodge, Chrysler, and Ram models. Tested for leaks and durability, it’s ready for the road. Get yours today!

Pros Cons
  • Tough aluminum build for long life.
  • Perfect fit, no extra work needed.
  • Tested for no leaks, built to last.
  • Upgrades your engine’s performance.
  • No installation tools included, so you’ll need to buy them separately.
  • Not compatible with engines other than 3.6L, limiting its use.
  • Higher price than plastic versions, but offers better durability.

Perfect For:

This heavy-duty aluminum engine oil cooler housing is a perfect upgrade for Jeep Wrangler, Grand Cherokee, Dodge Challenger, Charger, and Chrysler owners with a 3.6L engine. If you’re looking for a durable, leak-tested replacement that fits like a glove, this is the part you need.

Ready to Purchase?

2. GAOBEN 926-876 926-959 Upgraded Aluminum Engine Oil Filter Housing with Oil Cooler For 2011-2016 Chrysler 200 300 Dodge Charger Challenger Journey Caravan Durango Avenger, Wrangler, Ram ProMaster 3.6L

GAOBEN 926-876 926-959 Upgraded Aluminum Engine Oil Filter Housing with Oil Cooler For 2011-2016 Chrysler 200 300 Dodge Charger Challenger Journey Caravan Durango Avenger, Wrangler, Ram ProMaster 3.6L

Upgrade your ride with this heavy-duty oil filter housing. It’s built to last. Say goodbye to leaks!

This aluminum housing is a tougher replacement for your old plastic one. It stops leaks and prevents breaks.

It’s a perfect fit for many Chrysler, Dodge, Jeep, and Ram models from 2011 to 2016. Get back on the road with confidence.

Pros Cons
  • Upgraded aluminum prevents oil leaks and breakage.
  • Perfect fit for 2011-2016 Chrysler, Dodge, Jeep, Ram.
  • Replaces plastic housing with durable material.
  • Compatible with multiple part numbers for easy replacement.
  • Plastic housings can crack and leak oil.
  • Aluminum upgrade offers superior durability.
  • Fits a wide range of Chrysler and Dodge models.

Perfect For:

This GAOBEN 926-876 926-959 Upgraded Aluminum Engine Oil Filter Housing with Oil Cooler is perfect for car owners who want a reliable replacement for their 2011-2016 Chrysler, Dodge, Jeep, or Ram vehicle with a 3.6L engine. It’s ideal for those looking to avoid oil leaks and breakage caused by the original plastic case.

Ready to Purchase?

3. keriolee Aluminum Engine Oil Cooler, Oil Filter Housing 3.6L Adapter For 2017-2018 Chrysler 200 300 Jeep Cherokee Grand Cherokee Dodge Charger Challenger Journey Wrangler Ram ProMaster

keriolee Aluminum Engine Oil Cooler, Oil Filter Housing 3.6L Adapter For 2017-2018 Chrysler 200 300 Jeep Cherokee Grand Cherokee Dodge Charger Challenger Journey Wrangler Ram ProMaster

Upgrade your engine’s performance with the Keriolee Aluminum Engine Oil Cooler. It’s a perfect replacement for the original plastic housing, which often breaks and causes leaks.

This kit keeps engine oil cool and clean, improves acceleration, and extends oil and engine life. It comes with a pre-installed oil filter for easy installation.

Fits multiple vehicles, including Chrysler, Dodge, Jeep, and Ram models. Made from top-quality materials, it’s durable and prevents leaks. Buy with confidence and enjoy 100% satisfaction with our after-sales service.

Pros Cons
  • Durable aluminum replaces weak plastic.
  • Keeps oil cool and clean for better performance.
  • Extends engine life, preventing costly damage.
  • Direct fit, easy installation, factory-fresh look.
  • Reliable replacement for your vehicle.
  • No DIY option: Professional installation recommended, not for beginners.
  • Limited compatibility: Only fits specific 3.6L models, check before buying.
  • Higher cost: Upgraded aluminum design may be pricier than plastic alternatives.

Perfect For:

This Keriolee Aluminum Engine Oil Cooler is perfect for car owners who want to protect their engine and avoid costly repairs. It’s ideal for 2017-2018 Chrysler, Dodge, Jeep, and Ram vehicles with a 3.6L engine.

Ready to Purchase?

4. Engine Oil Cooler Filter Housing Assembly Adapter with Gasket, Filter Insert, Cap Compatible with 2011-2021 Chevy Cruze Sonic Trax Buick Encore 1.4L Turbo Replace 55566784 918-428 55565388 88179-91400

Engine Oil Cooler Filter Housing Assembly Adapter with Gasket, Filter Insert, Cap Compatible with 2011-2021 Chevy Cruze Sonic Trax Buick Encore 1.4L Turbo Replace 55566784 918-428 55565388 88179-91400

Keep your engine running smoothly with this Engine Oil Cooler Filter Housing Assembly. It’s built tough for lasting durability. Enjoy leak-free performance and reliable cooling.

This is a direct replacement for your old part. Installation is a breeze. You’ll get a perfect fit every time.

It’s designed for specific Chevy and Buick models. Get optimal performance for your engine.

Pros Cons
  • Durable aluminum build resists corrosion and ensures leak-free performance.
  • Direct fit replacement for hassle-free installation and perfect compatibility.
  • 12-month warranty and dedicated support for peace of mind.
  • Compatible with multiple Chevy and Buick models for wide usability.
  • No DIY option: Professional installation recommended for optimal performance.
  • Limited compatibility: Only fits specific vehicle models and engines.
  • Warranty constraints: 12-month coverage may not satisfy long-term owners.

Perfect For:

This Engine Oil Cooler Filter Housing Assembly is perfect for Chevy Cruze, Sonic, Trax, and Buick Encore owners with a 1.4L Turbocharged engine from 2011 to 2021. If you need a reliable, direct replacement that’s built to last, this is the ideal choice for your vehicle.

Ready to Purchase?

5. Engine Oil Cooler Filter Housing Assembly Adapter with Gaskets Compatible with 2008-2019 Chevy Cruze Sonic Aveo Malibu, Buick Cascada, Pontiac G3, Saturn Astra 1.6L 1.8L Replaces 918-432 25199751

Engine Oil Cooler Filter Housing Assembly Adapter with Gaskets Compatible with 2008-2019 Chevy Cruze Sonic Aveo Malibu, Buick Cascada, Pontiac G3, Saturn Astra 1.6L 1.8L Replaces 918-432 25199751

Keep your engine cool and running strong. This adapter is built for performance. It’s a direct replacement for your old part.

It fits many Chevy, Buick, Pontiac, and Saturn models. This ensures proper fitment and easy installation.

Made from tough aluminum, it handles high heat and resists rust. Get reliable cooling for your engine’s longevity.

Pros Cons
  • Fits many cars, from Chevy to Buick, Pontiac, and Saturn.
  • Keeps engines cool, ensuring longer life and better performance.
  • High-quality aluminum resists heat and rust for lasting durability.
  • Meets OEM standards, offering a perfect fit like the original part.
  • May not fit all engine types.
  • Aluminum might scratch easily.

Perfect For:

This Engine Oil Cooler Filter Housing Assembly Adapter is perfect for car owners who want to keep their engine running smoothly. It’s ideal for those with compatible Chevy, Buick, Pontiac, or Saturn models looking for a reliable, high-quality replacement part.

Ready to Purchase?

6. PAPAPARTS Engine Oil Cooler Kit Compatible with Ford F250 F350 F450 F550 E350 E450 Super Duty Excursion Powerstroke Diesel 6.0 V8 Replace 3C3Z-6A642-CA 904-228

PAPAPARTS Engine Oil Cooler Kit Compatible with Ford F250 F350 F450 F550 E350 E450 Super Duty Excursion Powerstroke Diesel 6.0 V8 Replace 3C3Z-6A642-CA 904-228

Keep your Ford Super Duty engine running cool with the PAPAPARTS Engine Oil Cooler Kit. This kit ensures your engine oil stays at the perfect temperature. It helps your engine perform at its best.

This cooler promotes smooth oil flow for great lubrication. It protects your engine from wear and tear.

Installation is a breeze with all parts included. Check the part numbers for a perfect fit. Friendly customer support is always ready to help.

Pros Cons
  • Keeps oil cool for peak engine performance.
  • Ensures smooth oil flow for engine longevity.
  • Simple to install with included parts.
  • Direct fit for specific Ford models.
  • Reliable customer support for peace of mind.
  • No warranty details provided for the product.
  • Limited compatibility with specific Ford models only.
  • No physical store support for returns or exchanges.

Perfect For:

This PAPAPARTS Engine Oil Cooler Kit is perfect for Ford owners who want to keep their engines running smoothly. It’s ideal for those with 6.0 V8 Powerstroke Diesel engines in F250, F350, F450, F550, E350, E450, Super Duty, or Excursion models.

Ready to Purchase?

7. Dorman 918-140 Engine Oil Cooler Compatible with Select Audi / Volkswagen Models

Dorman 918-140 Engine Oil Cooler Compatible with Select Audi / Volkswagen Models

The Dorman 918-140 Engine Oil Cooler is a direct replacement for select Audi and Volkswagen models. It’s designed to fit and work just like the original part. This cooler helps keep your engine oil at the right temperature.

It’s built to last with durable materials and strict quality standards. This ensures reliable performance for your vehicle.

Backed by experts with over a century of automotive experience, this cooler is trustworthy. Use the garage tool to confirm the fit for your specific vehicle.

Pros Cons
  • Direct fit, easy replacement.
  • Keeps your engine running cool.
  • Built tough for lasting performance.
  • Reliable quality, expert tested.
  • Not universal – Only fits specific Audi/VW models, check before buying.
  • No installation tools – Requires extra parts for setup, not included.
  • Limited warrantyBasic coverage, may not cover all issues.

Perfect For:

This Dorman 918-140 Engine Oil Cooler is perfect for Audi and Volkswagen owners who need a reliable replacement for their failed oil cooler. It’s easy to install and built to last, ensuring your engine stays cool and runs smoothly.

Ready to Purchase?

8. Oil Cooler Oil Filter Housing with Gaskets | Compatible With 3.6L 2011-2016 Dodge Journey Grand Caravan Jeep Wrangler Chrysler 200 300 Ram ProMaster & More | Replaces# 5184294AE, 68105583AF

Oil Cooler Oil Filter Housing with Gaskets | Compatible With 3.6L 2011-2016 Dodge Journey Grand Caravan Jeep Wrangler Chrysler 200 300 Ram ProMaster & More | Replaces# 5184294AE, 68105583AF

Keep your engine cool with our Oil Cooler Oil Filter Housing. It’s designed to fit many 3.6L vehicles from 2011 to 2016, like Dodge, Jeep, and Ram.

Strong materials ensure it lasts long. Easy to install and works well in all conditions. Prevents overheating for better engine life.

Comes with gaskets and a 12-month warranty. Replace or refund if you’re not happy. Drive with confidence knowing your engine is protected.

Pros Cons
  • Keeps engine cool for peak performance.
  • Built tough for all road conditions.
  • Direct fit for many Chrysler models.
  • Replaces many parts for easy upgrade.
  • 12-month warranty for peace of mind.
  • No installation tools included, so you’ll need to buy them separately.
  • Not compatible with all vehicles, check before buying to avoid returns.
  • Warranty only lasts 12 months, which may not cover long-term use.

Perfect For:

This oil cooler oil filter housing is perfect for drivers who want to keep their engine running smoothly. It’s ideal for owners of 2011-2016 Dodge, Jeep, Chrysler, and Ram vehicles with a 3.6L engine.

Ready to Purchase?

9. Engine Oil Cooler Filter Housing Assembly Adapter with Gasket, Filter Insert, Aluminum Cap Compatible with 1.4L Turbo 2011-2021 Chevy Cruze Sonic Trax Buick Encore Replace# 918-428 55566784

Engine Oil Cooler Filter Housing Assembly Adapter with Gasket, Filter Insert, Aluminum Cap Compatible with 1.4L Turbo 2011-2021 Chevy Cruze Sonic Trax Buick Encore Replace# 918-428 55566784

Keep your engine running cool and strong with this Engine Oil Cooler Filter Housing Assembly Adapter. It’s designed for superior sealing performance, thanks to its robust aluminum shell and cap that prevent leaks and ensure a long service life.

This direct replacement part is manufactured to OE specifications, meaning it’s a hassle-free installation for your 1.4L Turbocharged engine. It offers efficient oil cooling, helping to prevent overheating and protect critical engine components.

Enjoy stable oil pressure. Keep your oil clean. Extend your engine’s life.

Pros Cons
  • Aluminum shell prevents leaks, ensures longer life.
  • Direct fit for easy, hassle-free installation.
  • Cools oil fast, protects engine parts from heat.
  • Replaces multiple parts, saves time and money.
  • No tools included, so you’ll need your own for installation.
  • Not compatible with non-turbo or larger engines.
  • Aluminum cap may require careful handling to avoid damage.

Perfect For:

This engine oil cooler filter housing assembly is perfect for Chevy Cruze, Sonic, and Trax owners, as well as Buick Encore drivers, who want to protect their 1.4L turbo engine from overheating and ensure smooth, reliable performance.

Ready to Purchase?

10. 926-876 Aluminum Engine Oil Cooler, Oil Filter Housing Adapter For 2011-2016 Chrysler 200 300, Dodge Charger Challenger Journey, Jeep Wrangler Grand Cherokee, Ram ProMaster 1500, Replace# 68105583AF

926-876 Aluminum Engine Oil Cooler, Oil Filter Housing Adapter For 2011-2016 Chrysler 200 300, Dodge Charger Challenger Journey, Jeep Wrangler Grand Cherokee, Ram ProMaster 1500, Replace# 68105583AF

Tired of your plastic oil filter housing cracking and leaking? Upgrade to our 926-876 Aluminum Engine Oil Cooler for a perfect replacement. This durable aluminum alloy design keeps your oil cool and clean, boosting engine performance.

This premium quality cooler ensures your engine runs smoother and lasts longer. It’s a direct fit for many Chrysler, Dodge, Jeep, and Ram models, offering peace of mind and reliable protection.

Pros Cons
  • Upgraded aluminum design prevents leaks and engine damage.
  • Keeps oil cool and clean, boosting car performance and longevity.
  • High-strength alloy steel ensures durability and long service life.
  • Fits multiple models, offering a perfect replacement for your vehicle.
  • Not compatible with 2017+ models, limiting vehicle fitment.
  • No installation tools included, requiring extra purchases.
  • Oil pressure sensor may need separate replacement for some vehicles.

Perfect For:

This oil cooler is perfect for car owners who want to protect their engine and improve performance. It’s ideal for 2011-2016 models of Chrysler, Dodge, Jeep, and Ram vehicles.

Ready to Purchase?

Buying Guide

Upgrade your engine’s performance with the Best OEM Design Oil Cooler. It’s a smart choice for keeping your engine cool and efficient.

Experience smooth, leak-free driving with a perfect fit for your vehicle. Trust in proven quality to protect your engine and save you money in the long run.

Here’s what to consider when buying:

  • Compatibility: Make sure the oil cooler fits your vehicle’s make, model, and engine type. Check part numbers for a perfect match.
  • Material: Choose heavy-duty aluminum for durability and leak prevention. Avoid flimsy plastic options.
  • Installation: Look for a direct replacement with easy installation. It should fit seamlessly without extra tools or hassle.
  • Performance: Opt for a cooler that keeps oil clean and cool, improves acceleration, and extends engine life.
  • Quality: Pick a product with strict quality standards and leak testing for reliable performance.
  • Warranty: A 12-month warranty or satisfaction guarantee adds peace of mind and protects your investment.
  • Price: Compare prices for the best value, but don’t compromise on quality for a lower cost.

Upgrade your ride with confidence and enjoy a longer-lasting, better-performing engine.