Best LS Engine Replacement Parts

Looking for the best LS engine replacement parts? We’ve handpicked a list of 10 top-quality parts to help you upgrade or repair your engine with ease.

LS engines are powerful and popular, but even the best parts wear out over time. Whether you’re upgrading or repairing, finding the right replacement parts is key to keeping your engine running strong.

We’ve put together a handpicked list of the best LS engine replacement parts to make your job easier. From oil diverters to cylinder head pins, these parts are built to last and boost performance.

List of Top 10 LS Engine Replacement Parts

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OywhC LS Billet Rear Galley Plug Barbell Oil Diverter fits for GM Gen III & IV LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L33 L99 Oil Diverter LS Barbell 6061-T6 Aluminum Alloy Material OywhC LS Billet Rear Galley Plug Barbell Oil Diverter fits for GM Gen III & IV LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L33 L99 Oil Diverter LS Barbell 6061-T6 Aluminum Alloy Material

This product is perfect for car enthusiasts and mechanics who want to upgrade their GM Gen III & IV LS engines. It’s ideal for those looking to improve engine performance and durability with a reliable and reusable solution.

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LS Swap Retrofit Engine Aluminum Oil Pan Kit For 1955-1987 GM LS1 LS6 LS2 LS3 LSX 4.8L 5.3L 6.0L 6.2L LS Gen III & GEN IV V8 Engines Low Profile 302-1 LS Swap Retrofit Engine Aluminum Oil Pan Kit For 1955-1987 GM LS1 LS6 LS2 LS3 LSX 4.8L 5.3L 6.0L 6.2L LS Gen III & GEN IV V8 Engines Low Profile 302-1

This LS Swap Retrofit Engine Aluminum Oil Pan Kit is perfect for car enthusiasts and owners of 1955-1987 GM vehicles looking to upgrade their engine with a reliable, high-performance solution. It’s ideal for muscle cars, classic cars, and trucks needing better ground clearance and efficient oil management.

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TSP Texas Speed Delphi LS7 Lifters + Trays for GM LS Gen III/IV 5.3L/6.0L + Gen V LT1 28-25341990-16 TSP Texas Speed Delphi LS7 Lifters + Trays for GM LS Gen III/IV 5.3L/6.0L + Gen V LT1 28-25341990-16

This product is perfect for car enthusiasts who want to upgrade their GM LS or LT engine. It’s ideal for those with 4.8L to 6.2L engines, excluding DOD setups.

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Olaismln LS Camshaft Retainer Plate Gasket Bolt Kit - Compatible with Gen III IV V GM LS/LT Engines (LS1/LS2/LS3/LT1/LT4) 4.8L 5.3L 6.0L 6.2L Vortec Olaismln LS Camshaft Retainer Plate Gasket Bolt Kit – Compatible with Gen III IV V GM LS/LT Engines (LS1/LS2/LS3/LT1/LT4) 4.8L 5.3L 6.0L 6.2L Vortec

This Olaismln LS Camshaft Retainer Plate Gasket Bolt Kit is perfect for car enthusiasts and mechanics who want a reliable replacement for their GM LS/LT engines. It’s ideal for those fixing cam walk or oil leaks, offering a durable, high-quality solution.

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maXpeedingrods LS Engine Swap Mount Adapter Kit with Hardware for G-Body 1973-1988 for Carlo Cutlass LS Conversion Engine for LS1 LS2 LS3 LS6 for LSX LQ4 LQ9 4.8L 5.3L 6.0L 6.2L maXpeedingrods LS Engine Swap Mount Adapter Kit with Hardware for G-Body 1973-1988 for Carlo Cutlass LS Conversion Engine for LS1 LS2 LS3 LS6 for LSX LQ4 LQ9 4.8L 5.3L 6.0L 6.2L

This LS Engine Swap Mount Adapter Kit is perfect for car enthusiasts and DIY mechanics looking to upgrade their 1978-1988 G-body vehicles with an LS engine. It’s ideal for those wanting a smooth, adjustable fit without clearance issues.

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munirater Aluminum LS Timing Cover 12561243 Set Replacement for Gen III LS1 LS6 4.8L 5.3L 5.7L 6.0L SUM-G6320, 12633904, 11515758 munirater Aluminum LS Timing Cover 12561243 Set Replacement for Gen III LS1 LS6 4.8L 5.3L 5.7L 6.0L SUM-G6320, 12633904, 11515758

This munirater Aluminum LS Timing Cover Set is perfect for car owners who need a reliable replacement for their Gen III LS engines. It’s easy to install and built to last, making it ideal for anyone looking to keep their vehicle running smoothly.

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LS Ignition Coil & Bracket Bolts KIT fits All GM LS Series Engine LS1 LS3 LS2 LSX LS Ignition Coil & Bracket Bolts KIT fits All GM LS Series Engine LS1 LS3 LS2 LSX

This LS Ignition Coil & Bracket Bolts KIT is perfect for anyone with a GM LS series engine who needs a reliable, heavy-duty solution. It’s ideal for 1999-2014 models (excluding D585 coils) and includes 28 high-strength bolts for a secure, long-lasting fit.

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ICT Billet 4pc LS Cylinder Head Install Alignment Dowel Pin Steel LT Gen 3 Gen 4 Gen 5 LSX LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 L82 L83 L84 L86 L87 LT1 L8B 551275 ICT Billet 4pc LS Cylinder Head Install Alignment Dowel Pin Steel LT Gen 3 Gen 4 Gen 5 LSX LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 L82 L83 L84 L86 L87 LT1 L8B 551275

This product is perfect for anyone rebuilding or repairing an LS engine. It’s ideal if you need to replace rusty or missing dowel pins before installing cylinder heads.

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12570326 Cylinder Head Dowel Alignment Pin Fit for Chevy GM LS/LT Engines, fits Gen III & IV LS Series LS1 LS2 LS3 LS6, LQ4 LQ9 LM7, 4.8L/5.3L/6.0L/6.2L, 5.7L, Engine Cylinder Head to Block Dowel,4Pcs 12570326 Cylinder Head Dowel Alignment Pin Fit for Chevy GM LS/LT Engines, fits Gen III & IV LS Series LS1 LS2 LS3 LS6, LQ4 LQ9 LM7, 4.8L/5.3L/6.0L/6.2L, 5.7L, Engine Cylinder Head to Block Dowel,4Pcs

This product is perfect for anyone fixing or upgrading their Chevy or GM LS/LT engine. It’s easy to install and works great for Gen III & IV LS Series engines.

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Dynosty Brian Tooley BTR 7.400 Dynosty Brian Tooley BTR 7.400″” OE Replacement Pushrods for GM LS 4.8 5.3 5.7 6.0 LS2 LS3 L92 L99 LQ4 LQ9

This product is perfect for GM LS engine owners who need reliable replacement pushrods. It’s ideal for stock or mild cam setups, fitting 1997-2012 LS engines like a glove.

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Detailed Reviews

Discover the top 10 LS Engine Replacement Parts, handpicked for performance and value. Each part is expert-reviewed and backed by customer feedback, ensuring a perfect fit for your needs. Whether you’re upgrading or repairing, this guide makes it easy to find the best parts. Dive in to boost your engine’s power and reliability today!

1. OywhC LS Billet Rear Galley Plug Barbell Oil Diverter fits for GM Gen III & IV LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L33 L99 Oil Diverter LS Barbell 6061-T6 Aluminum Alloy Material

OywhC LS Billet Rear Galley Plug Barbell Oil Diverter fits for GM Gen III & IV LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L33 L99 Oil Diverter LS Barbell 6061-T6 Aluminum Alloy Material

The OywhC LS Billet Rear Galley Plug Barbell Oil Diverter fits many GM engines. It is made from strong aluminum alloy. This part is built to last.

It replaces old plastic plugs easily. The triple O-rings keep oil sealed tight.

This diverter improves oil flow. It helps your engine run smooth. You can reuse it by changing O-rings.

Pros Cons
  • It fits most GM engines with ease.
  • The strong metal lasts for a long time.
  • It replaces old plastic parts in a snap.
  • Three rings help it seal out all leaks.
  • It is easy to use more than once.
  • Not for non-GM engines, limits use.
  • Requires O-ring replacement for reuse.
  • Higher cost than plastic alternatives.

Perfect For:

This product is perfect for car enthusiasts and mechanics who want to upgrade their GM Gen III & IV LS engines. It’s ideal for those looking to improve engine performance and durability with a reliable and reusable solution.

Ready to Purchase?

2. LS Swap Retrofit Engine Aluminum Oil Pan Kit For 1955-1987 GM LS1 LS6 LS2 LS3 LSX 4.8L 5.3L 6.0L 6.2L LS Gen III & GEN IV V8 Engines Low Profile 302-1

LS Swap Retrofit Engine Aluminum Oil Pan Kit For 1955-1987 GM LS1 LS6 LS2 LS3 LSX 4.8L 5.3L 6.0L 6.2L LS Gen III & GEN IV V8 Engines Low Profile 302-1

The LS Swap Retrofit Oil Pan Kit fits many 1955–1987 GM cars and trucks. It gives your engine a low profile and more chassis clearance.

It is made from cast aluminum. It is light, strong, and helps cool the oil.

It includes the pan, gasket, pickup tube, and more. It helps with leaks, heat, and oil flow.

Pros Cons
  • Lightweight aluminum boosts fuel efficiency and chassis clearance.
  • Durable design resists oil leaks and engine overheating.
  • Low profile adds ground clearance for smooth rides.
  • Complete kit includes all parts for easy installation.
  • Not compatible with 5.3L Gen IV engines.
  • Original dipstick won’t measure oil level accurately.
  • May require engine location adjustment for fitment.

Perfect For:

This LS Swap Retrofit Engine Aluminum Oil Pan Kit is perfect for car enthusiasts and owners of 1955-1987 GM vehicles looking to upgrade their engine with a reliable, high-performance solution. It’s ideal for muscle cars, classic cars, and trucks needing better ground clearance and efficient oil management.

Ready to Purchase?

3. TSP Texas Speed Delphi LS7 Lifters + Trays for GM LS Gen III/IV 5.3L/6.0L + Gen V LT1 28-25341990-16

TSP Texas Speed Delphi LS7 Lifters + Trays for GM LS Gen III/IV 5.3L/6.0L + Gen V LT1 28-25341990-16

Upgrade your engine with Texas Speed & Performance TSP Delphi LS7 Lifters and Guide Trays. This set of 16 lifters and 4 trays is designed for GM LS Gen III/IV and Gen V LT1 engines.

These parts fit popular engines like LS1, LS2, LS3, and LT1. They work with 4.8L to 6.2L engines, both Gen 3 and Gen 4 LS and Gen 5 LT.

Non-DOD only. Easy install. Boost performance.

Pros Cons
  • Upgrade your engine with high-quality TSP Delphi LS7 Lifters.
  • Fits multiple GM LS/LT engines for easy compatibility.
  • Includes 16 lifters and 4 guide trays for complete installation.
  • Non-DOD design ensures reliable performance in your engine.
  • Not for DOD engines, limiting compatibility for some GM models.
  • No installation tools included, requiring extra purchases.
  • High performance may need frequent maintenance for daily drivers.

Perfect For:

This product is perfect for car enthusiasts who want to upgrade their GM LS or LT engine. It’s ideal for those with 4.8L to 6.2L engines, excluding DOD setups.

Ready to Purchase?

4. Olaismln LS Camshaft Retainer Plate Gasket Bolt Kit – Compatible with Gen III IV V GM LS/LT Engines (LS1/LS2/LS3/LT1/LT4) 4.8L 5.3L 6.0L 6.2L Vortec

Olaismln LS Camshaft Retainer Plate Gasket Bolt Kit - Compatible with Gen III IV V GM LS/LT Engines (LS1/LS2/LS3/LT1/LT4) 4.8L 5.3L 6.0L 6.2L Vortec

The Olaismln LS Camshaft Retainer Plate Gasket Bolt Kit is a perfect match for GM Gen III, IV, and V LS/LT engines. It works with LS1, LS2, LS3, LT1, LT4, and more. This kit is made from high-quality oxide-coated steel to handle extreme heat and pressure.

It stops cam walk and oil leaks with an orange O-ring seal. The complete bolt kit includes 4 countersunk screws for a secure, leak-free installation.

Pros Cons
  • Perfect fit for GM Gen 3/4/5 LS & LT engines.
  • High-quality steel resists extreme heat and pressure.
  • Stops oil leaks and prevents camshaft wear.
  • Complete bolt kit ensures secure, leak-free installation.
  • No instructions included, might confuse first-time installers.
  • Not compatible with non-GM engines, limits usage.
  • Orange O-ring may stand out, not preferred by all.

Perfect For:

This Olaismln LS Camshaft Retainer Plate Gasket Bolt Kit is perfect for car enthusiasts and mechanics who want a reliable replacement for their GM LS/LT engines. It’s ideal for those fixing cam walk or oil leaks, offering a durable, high-quality solution.

Ready to Purchase?

5. maXpeedingrods LS Engine Swap Mount Adapter Kit with Hardware for G-Body 1973-1988 for Carlo Cutlass LS Conversion Engine for LS1 LS2 LS3 LS6 for LSX LQ4 LQ9 4.8L 5.3L 6.0L 6.2L

maXpeedingrods LS Engine Swap Mount Adapter Kit with Hardware for G-Body 1973-1988 for Carlo Cutlass LS Conversion Engine for LS1 LS2 LS3 LS6 for LSX LQ4 LQ9 4.8L 5.3L 6.0L 6.2L

Upgrade your car now. These mounts fit well. Installation is fast and simple.

The kit is strong. It fits LS engines perfectly.

Use standard hardware here. Save time on work. Your engine stays safe.

Pros Cons
  • Perfect fit for 1978-1988 G-body LS engine swaps.
  • Adjustable mounts solve clearance and fitment issues easily.
  • Durable steel and polyurethane ensure long-lasting performance.
  • Complete kit includes all hardware for hassle-free installation.
  • No instructions included, might need expert help for installation.
  • Limited adjustment range, may not fit all engine setups.
  • Polyurethane bushings could be softer for better vibration reduction.

Perfect For:

This LS Engine Swap Mount Adapter Kit is perfect for car enthusiasts and DIY mechanics looking to upgrade their 1978-1988 G-body vehicles with an LS engine. It’s ideal for those wanting a smooth, adjustable fit without clearance issues.

Ready to Purchase?

6. munirater Aluminum LS Timing Cover 12561243 Set Replacement for Gen III LS1 LS6 4.8L 5.3L 5.7L 6.0L SUM-G6320, 12633904, 11515758

munirater Aluminum LS Timing Cover 12561243 Set Replacement for Gen III LS1 LS6 4.8L 5.3L 5.7L 6.0L SUM-G6320, 12633904, 11515758

This aluminum timing cover fits your LS engine. It works for Gen III models like the 5.3L and 5.7L. You get the cover and gasket in one set.

The high quality parts ensure a perfect match. This kit is a direct fit for your car.

Pros Cons
  • Perfect fit for Gen III LS engines, 4.8L to 6.0L.
  • High-quality materials ensure durability and longevity.
  • Includes gasket for complete replacement, no extras needed.
  • Direct fitment guarantees easy installation and secure fastening.
  • No tools included, so you’ll need to buy them separately.
  • Installation requires professional help, not a DIY job.
  • Limited compatibility, only fits specific LS engines.

Perfect For:

This munirater Aluminum LS Timing Cover Set is perfect for car owners who need a reliable replacement for their Gen III LS engines. It’s easy to install and built to last, making it ideal for anyone looking to keep their vehicle running smoothly.

Ready to Purchase?

7. LS Ignition Coil & Bracket Bolts KIT fits All GM LS Series Engine LS1 LS3 LS2 LSX

LS Ignition Coil & Bracket Bolts KIT fits All GM LS Series Engine LS1 LS3 LS2 LSX

This 28-piece kit includes everything you need for your GM LS engine. It fits all LS series engines from 1999 to 2014.

The flanged headed bolts are JIS spec, so no washers are needed. They are grade 8.8, making them heavy duty and high strength. A zinc coating protects against corrosion.

The kit includes 16 M6-20mm bolts and 12 M6-12mm bolts. These bolts are designed for LS ignition coils and brackets, ensuring a secure fit.

Pros Cons
  • Fits all GM LS engines from 1999-2014.
  • No washers needed with flanged JIS bolts.
  • Heavy-duty grade 8.8 bolts for strong, lasting use.
  • Zinc coating prevents rust and corrosion.
  • Not for D585 coils, check your engine type before buying.
  • No extra parts included, just bolts in the kit.
  • Specific fit, won’t work with non-GM LS engines.

Perfect For:

This LS Ignition Coil & Bracket Bolts KIT is perfect for anyone with a GM LS series engine who needs a reliable, heavy-duty solution. It’s ideal for 1999-2014 models (excluding D585 coils) and includes 28 high-strength bolts for a secure, long-lasting fit.

Ready to Purchase?

8. ICT Billet 4pc LS Cylinder Head Install Alignment Dowel Pin Steel LT Gen 3 Gen 4 Gen 5 LSX LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 L82 L83 L84 L86 L87 LT1 L8B 551275

ICT Billet 4pc LS Cylinder Head Install Alignment Dowel Pin Steel LT Gen 3 Gen 4 Gen 5 LSX LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 L82 L83 L84 L86 L87 LT1 L8B 551275

ICT Billet 4pc LS Cylinder Head Install Alignment Dowel Pin set helps you build with ease. It fits Gen 3, Gen 4, and Gen 5 LS/LT engines. It is made of steel for a strong, clean fit.

Use these dowel pins to replace rusty or missing parts before you assemble your engine. They are required when you install cylinder heads on your LS engine.

This set includes 4 pins. That is enough for 2 cylinder heads.

Pros Cons
  • Replace rusty dowels for a smooth engine assembly.
  • Essential for LS engines to install cylinder heads correctly.
  • Fits all Gen 3, 4, 5 LS/LT engines for wide compatibility.
  • Includes 4 pins, enough to install 2 cylinder heads.
  • No tools included for installation.
  • Only 4 pinsextra needed for more heads.
  • Not compatible with non-LS engines.

Perfect For:

This product is perfect for anyone rebuilding or repairing an LS engine. It’s ideal if you need to replace rusty or missing dowel pins before installing cylinder heads.

Ready to Purchase?

9. 12570326 Cylinder Head Dowel Alignment Pin Fit for Chevy GM LS/LT Engines, fits Gen III & IV LS Series LS1 LS2 LS3 LS6, LQ4 LQ9 LM7, 4.8L/5.3L/6.0L/6.2L, 5.7L, Engine Cylinder Head to Block Dowel,4Pcs

12570326 Cylinder Head Dowel Alignment Pin Fit for Chevy GM LS/LT Engines, fits Gen III & IV LS Series LS1 LS2 LS3 LS6, LQ4 LQ9 LM7, 4.8L/5.3L/6.0L/6.2L, 5.7L, Engine Cylinder Head to Block Dowel,4Pcs

Upgrade your engine with the 12570326 Cylinder Head Dowel Alignment Pin, designed for Chevy GM LS/LT Engines. This 4-piece set ensures perfect alignment between the cylinder head and block.

Fits Gen III & IV LS Series Engines, including LS1, LS2, LS3, LS6, LQ4, LQ9, LM7, and more. Works with 4.8L, 5.3L, 5.7L, 6.0L, 6.2L engines. Replace worn or rusted dowels easily for a reliable engine build.

High-quality material resists wear and rust, ensuring long-lasting performance. Easy installation—just remove the old pin and insert the new one. Keep your engine running smoothly with this essential upgrade.

Pros Cons
  • Fits Chevy GM LS/LT engines perfectly, ensuring precise alignment.
  • Replaces rusted or worn dowels, saving time and hassle.
  • High-quality material resists wear and rust for long-lasting use.
  • Easy installation—just remove old, insert new in minutes.
  • No instructions included for installation.
  • Limited to specific GM engines, not universal.
  • Small parts, easy to lose during assembly.

Perfect For:

This product is perfect for anyone fixing or upgrading their Chevy or GM LS/LT engine. It’s easy to install and works great for Gen III & IV LS Series engines.

Ready to Purchase?

10. Dynosty Brian Tooley BTR 7.400″” OE Replacement Pushrods for GM LS 4.8 5.3 5.7 6.0 LS2 LS3 L92 L99 LQ4 LQ9

Dynosty Brian Tooley BTR 7.400

The Dynosty Brian Tooley BTR OE Replacement Pushrods are made for GM LS engines and give you a strong, stock-style fit. They are 7.400 inches long and built for 4.8, 5.3, 5.7, 6.0, LS2, LS3, L92, L99, LQ4, and LQ9 engines.

This is a set of sixteen. They fit many 1997–2012 GM LS V-8 engines. They work well with stock and mild low-lift cams.

Pros Cons
  • Perfect fit for GM LS engines, 1997-2012 models.
  • Durable 7.400″ pushrods for stock and mild cams.
  • Set of 16 for complete engine replacement.
  • Works with popular cams like Truck Stage 2.
  • Not for high-performance builds with aggressive camshafts.
  • Limited to stock and mild cam applications only.
  • No upgrades included; strictly OE replacement parts.

Perfect For:

This product is perfect for GM LS engine owners who need reliable replacement pushrods. It’s ideal for stock or mild cam setups, fitting 1997-2012 LS engines like a glove.

Ready to Purchase?

Buying Guide

LS engines are powerful and popular, but parts wear out over time. Finding the right replacement parts keeps your engine running strong. We’ve made a handpicked list to help you choose the best LS engine replacement parts.

Factors to Consider When Buying LS Engine Replacement Parts:

  • Compatibility: Make sure the part fits your LS engine model and generation. Check for specific compatibility with your engine type, like LS1, LS3, or LT1.

  • Material Quality: Look for parts made from high-quality materials like aluminum alloy, steel, or oxide-coated metal. These materials ensure durability and longevity.

  • Performance Boost: Choose parts that improve performance, such as oil diverters for better oil flow or lifters for smoother engine operation.

  • Ease of Installation: Opt for parts with easy installation, like bolt kits or dowel pins, to save time and effort during repairs or upgrades.

  • Sealing and Leak Prevention: Select parts with O-rings or gaskets to prevent leaks and ensure tight seals, especially for oil pans and camshaft retainers.

  • Reusability: Consider parts that can be reused, like oil diverters with replaceable O-rings, to save money and reduce waste.

  • Corrosion Resistance: Look for parts with zinc coatings or corrosion-resistant materials to protect against rust and extend the part’s life.

  • Complete Kits: Choose complete kits that include all necessary components, like bolts, gaskets, and trays, for a hassle-free installation.