Looking for the best GM LS engine parts to upgrade your vehicle? We offer a curated guide to help you choose the perfect parts for enhanced performance and reliability, ensuring a smooth and engaging experience.
Discover the best GM LS engine parts designed to boost your engine’s power and reliability. These parts fit perfectly and last long.
Finding the right parts is simple. They are strong and easy to install. You get great value every time.
Our guide helps you pick the perfect parts. We explain what works best for your engine. You’ll feel confident making the right choice.
Get ready to upgrade your engine with parts that perform. Dive in and see how to make your GM LS engine run smoother and stronger.
List of Top 10 Gm Ls Engine Parts
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Crank Install Tool Harmonic Balancer Puller Compatible for GM LS LT Engines 1997-2023 Gen 3,4,5 |
This tool is perfect for car enthusiasts and professional mechanics working on GM LT and LS engines. It’s easy to use and built to last, making engine work safer and more convenient. |
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Camshaft Retainer Plate Gasket & Bolt Kit Compatible with GM Gen 3, 4, 5 LS & LT Engines – Fits LS1 LS2 LS3 L83 L86 L87 4.8L 5.3L 6.0L 6.2L – Replaces 12589016, BTR89016 |
This Camshaft Retainer Plate Gasket & Bolt Kit is perfect for car enthusiasts and mechanics who want to upgrade or repair their GM Gen 3, 4, or 5 LS & LT engines. It’s ideal for DIYers and professionals looking for a reliable, leak-proof solution to keep their engines running smoothly. |
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Cylinder Head Dowel Alignment Pin Replacement for Chevy GM LS/LT Engines – 1997 & Up |
This Cylinder Head Dowel Alignment Pin Replacement is perfect for Chevy GM LS and LT engine owners from 1997 and up. If you want easy, precise engine block and cylinder head alignment, this is the part you need. It fits all LS/LT series engines, making it great for mechanics, car enthusiasts, and DIYers who want reliable, accurate repairs. |
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LS Oil Diverter Barbell – Aluminum Alloy Oil Diverter, Compatible with GM Gen III/IV Engines LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 4.8-6.2L LS Performance Swap Parts |
This LS Oil Diverter Barbell is perfect for GM Gen III/IV engine enthusiasts and performance builders looking for a durable, leak-free upgrade. If you’re working on an LS swap or adding turbo kits, this part ensures optimal oil flow and engine protection. |
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Melling Freeze Plug Kit, Complete Engine, Brass/Steel/Plastic, GM LS-Series, Kit |
This Melling Freeze Plug Kit is perfect for anyone rebuilding a GM LS-Series engine. It’s easy to use and built to last. |
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Oil Pressure Sensor Adapter M16-1.5 to 1/8″ NPT, 304 Stainless Steel LS Oil Pressure Adapter for GM LS Series Engines LS1 LSX LS3 5.3L 6.0L 6.2L, LS Swap Oil Pressure Sensor Fitting |
This adapter is perfect for car enthusiasts and mechanics working on GM LS engines. It’s ideal for LS swap projects or upgrading your oil pressure sensor. |
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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 |
This OywhC LS Billet Rear Galley Plug Barbell Oil Diverter is perfect for GM LS engine owners who want to upgrade from plastic parts to a strong, durable aluminum alloy. It’s ideal for anyone looking to improve engine oil flow, prevent leaks, and keep their engine running smoothly for the long haul. |
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Camshaft Retainer Plate Gasket Compatible with LS Series Engines, &Bolt Kit ARP 134-1003 Gen III IV V for GM LS1 LS2 LS3 4.8 5.3L 6.0L 6.2L Vortec Corvette Cam |
This camshaft retainer plate gasket and bolt kit is perfect for GM LS and LT engine owners looking for superior sealing and durability. It’s an excellent value for anyone wanting the highest quality parts for their Corvette, truck, or other LS-powered vehicle. |
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JGR Billet Reusable Front Oil Galley Plug Fits GM Gen III & IV LS Engines LS1 LS2 LS3 LS6 LS7 LS9 LQ4 LQ9 4.8L 5.3L 6.0L 6.2L Red |
This JGR Billet Reusable Front Oil Galley Plug is perfect for racers who often tear down their engines for inspections. It’s easy to remove and install, making it a great choice for GM Gen III & IV LS engine owners. |
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for LS Swap Motor Mounts Adapter Plates – LS Conversion Adjustable Universal Swap Bracket Small Block Kit for LS Engine, LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 Billet Aluminum |
This product is perfect for car enthusiasts who want to upgrade their vehicle with an LS engine. It’s ideal for those looking for a simple, reliable way to swap engines without hassle. |
Detailed Reviews
Discover the top 10 GM LS engine parts handpicked for performance and durability. Each part is expert-reviewed and backed by customer feedback, ensuring you get the best value. From easy installation to long-lasting reliability, these parts are perfect for any GM LS engine upgrade. Dive in to find the perfect fit for your needs and take your engine to the next level!
1. Crank Install Tool Harmonic Balancer Puller Compatible for GM LS LT Engines 1997-2023 Gen 3,4,5

This Crank Install Tool is made for GM LS and LT engines from 1997 to 2023. It is strong and rust-proof.
The tool is easy to use. Just place the nut and washers, then tighten. It is safe and durable.
| Pros | Cons |
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Perfect For:
This tool is perfect for car enthusiasts and professional mechanics working on GM LT and LS engines. It’s easy to use and built to last, making engine work safer and more convenient.
Ready to Purchase?
2. Camshaft Retainer Plate Gasket & Bolt Kit Compatible with GM Gen 3, 4, 5 LS & LT Engines – Fits LS1 LS2 LS3 L83 L86 L87 4.8L 5.3L 6.0L 6.2L – Replaces 12589016, BTR89016

The Camshaft Retainer Plate Gasket & Bolt Kit is perfect for GM Gen 3, 4, and 5 LS & LT engines. It fits popular models like the Silverado, Corvette, and Tahoe. This kit is designed for easy installation and long-lasting performance.
It replaces OEM parts like 12589016 and BTR89016, restoring camshaft alignment and sealing oil passages. The upgraded steel plate with an orange O-ring gasket prevents leaks and maintains oil pressure.
The kit includes T40 Torx bolts for a secure, flush fit. It prevents camshaft walk and reduces bearing wear, ensuring smooth engine operation. Backed by a 12-month warranty and responsive support.
| Pros | Cons |
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Perfect For:
This Camshaft Retainer Plate Gasket & Bolt Kit is perfect for car enthusiasts and mechanics who want to upgrade or repair their GM Gen 3, 4, or 5 LS & LT engines. It’s ideal for DIYers and professionals looking for a reliable, leak-proof solution to keep their engines running smoothly.
Ready to Purchase?
3. Cylinder Head Dowel Alignment Pin Replacement for Chevy GM LS/LT Engines – 1997 & Up

Cylinder Head Dowel Alignment Pin Replacement is a must-have for Chevy GM LS/LT engine owners. It works with all LS/LT engines from 1997 and newer, including Gen 3, 4, and 5.
This kit includes four steel dowel pins for perfect alignment between the block and cylinder head. Each pin measures 0.65″ in diameter and 0.58″ in length.
Easy to use, durable, and reliable. Perfect fit for your engine. Great value for the price.
| Pros | Cons |
|---|---|
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Perfect For:
This Cylinder Head Dowel Alignment Pin Replacement is perfect for Chevy GM LS and LT engine owners from 1997 and up. If you want easy, precise engine block and cylinder head alignment, this is the part you need. It fits all LS/LT series engines, making it great for mechanics, car enthusiasts, and DIYers who want reliable, accurate repairs.
Ready to Purchase?
4. LS Oil Diverter Barbell – Aluminum Alloy Oil Diverter, Compatible with GM Gen III/IV Engines LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 4.8-6.2L LS Performance Swap Parts

The LS Oil Diverter Barbell is built to fit a wide range of GM Gen III and IV engines. It is made from strong, lightweight 6061-T651 aluminum alloy for long-lasting use. This part replaces fragile plastic OEM pieces, stopping oil leaks and protecting your engine.
Installation is quick and easy with a tapered shaft design. The triple-seal system keeps oil flowing right, making your engine run smoother and more stable under pressure.
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Perfect For:
This LS Oil Diverter Barbell is perfect for GM Gen III/IV engine enthusiasts and performance builders looking for a durable, leak-free upgrade. If you’re working on an LS swap or adding turbo kits, this part ensures optimal oil flow and engine protection.
Ready to Purchase?
5. Melling Freeze Plug Kit, Complete Engine, Brass/Steel/Plastic, GM LS-Series, Kit

Get your GM LS-Series engine running smoothly with this complete Melling Freeze Plug Kit. It’s made with high-quality materials for lasting durability.
This kit has everything you need. It’s built for a perfect fit. Enjoy worry-free performance.
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Perfect For:
This Melling Freeze Plug Kit is perfect for anyone rebuilding a GM LS-Series engine. It’s easy to use and built to last.
Ready to Purchase?
6. Oil Pressure Sensor Adapter M16-1.5 to 1/8″ NPT, 304 Stainless Steel LS Oil Pressure Adapter for GM LS Series Engines LS1 LSX LS3 5.3L 6.0L 6.2L, LS Swap Oil Pressure Sensor Fitting

This Oil Pressure Sensor Adapter is built for GM LS engines like LS1, LSX, LS3, and others. It is a great choice for LS swap projects. The M16-1.5 to 1/8″ NPT fitting ensures easy installation.
The adapter is made from 304 stainless steel, which provides excellent corrosion resistance. It is durable and built to last.
With this adapter, you can easily connect an aftermarket oil pressure sensor. It offers a leak-free seal and is backed by a 12-month warranty. It’s a simple upgrade for your engine.
| Pros | Cons |
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Perfect For:
This adapter is perfect for car enthusiasts and mechanics working on GM LS engines. It’s ideal for LS swap projects or upgrading your oil pressure sensor.
Ready to Purchase?
7. 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 is a high-quality upgrade for GM Gen III & IV LS engines. It’s made from 6061-T6 aluminum alloy, ensuring durability and precise fit.
This oil diverter replaces the plastic OEM plug, improves oil flow, and uses triple FKM O-rings for better sealing. It’s reusable and reduces maintenance costs.
| Pros | Cons |
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Perfect For:
This OywhC LS Billet Rear Galley Plug Barbell Oil Diverter is perfect for GM LS engine owners who want to upgrade from plastic parts to a strong, durable aluminum alloy. It’s ideal for anyone looking to improve engine oil flow, prevent leaks, and keep their engine running smoothly for the long haul.
Ready to Purchase?
8. Camshaft Retainer Plate Gasket Compatible with LS Series Engines, &Bolt Kit ARP 134-1003 Gen III IV V for GM LS1 LS2 LS3 4.8 5.3L 6.0L 6.2L Vortec Corvette Cam

The Camshaft Retainer Plate Gasket is compatible with GM LS & LT Engines. It fits Gen 3, Gen 4, and Gen 5 models. This part ensures reliable performance for your vehicle.
The ARP 134-1003 Bolt Kit is designed for high performance. It works with LSX, LS1, and LT1 engines. This kit provides superior sealing and durability.
Get excellent value for your money. This gasket and bolt kit offers top quality for your engine. It’s a smart choice for your vehicle.
| Pros | Cons |
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Perfect For:
This camshaft retainer plate gasket and bolt kit is perfect for GM LS and LT engine owners looking for superior sealing and durability. It’s an excellent value for anyone wanting the highest quality parts for their Corvette, truck, or other LS-powered vehicle.
Ready to Purchase?
9. JGR Billet Reusable Front Oil Galley Plug Fits GM Gen III & IV LS Engines LS1 LS2 LS3 LS6 LS7 LS9 LQ4 LQ9 4.8L 5.3L 6.0L 6.2L Red

Upgrade your GM LS engine with the JGR Billet Reusable Front Oil Galley Plug. Made from high-quality billet aluminum, it fits LS1, LS2, LS3, LS6, LS7, LS9, LQ4, LQ9, and more. This plug is built to last and looks sharp in a bright red finish.
Designed for easy removal and installation, it helps racers and mechanics work faster. The front oil galley plug is perfect for those who tear their engines down often. It keeps your engine oil system secure and clean.
Protect your engine with this durable and reusable plug. It’s a smart choice for every GM LS engine owner.
| Pros | Cons |
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Perfect For:
This JGR Billet Reusable Front Oil Galley Plug is perfect for racers who often tear down their engines for inspections. It’s easy to remove and install, making it a great choice for GM Gen III & IV LS engine owners.
Ready to Purchase?
10. for LS Swap Motor Mounts Adapter Plates – LS Conversion Adjustable Universal Swap Bracket Small Block Kit for LS Engine, LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 Billet Aluminum

Transform your ride with our LS Swap Motor Mounts Adapter Plates! These universal swap brackets make it a breeze to install a powerful LS engine into your vehicle, especially if it originally housed a small block Chevy. Get ready for an upgrade that’s both powerful and precise.
Our premium quality adapter plates are CNC milled from aluminum. They offer perfect fitment and improved performance.
Installation is a snap! No grinding needed for a flush fit. Everything you need is included, and it even comes with a 180-day warranty for peace of mind.
| Pros | Cons |
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Perfect For:
This product is perfect for car enthusiasts who want to upgrade their vehicle with an LS engine. It’s ideal for those looking for a simple, reliable way to swap engines without hassle.
Ready to Purchase?
Buying Guide
Looking to supercharge your GM LS engine? We’ve got you covered with the best parts to boost its power and reliability. Get ready for an awesome upgrade that makes your engine run smoother and stronger.
Here’s what to keep in mind when picking your LS engine parts:
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Engine Compatibility:
Make sure the parts are made for your specific LS engine model. Check the generation and displacement to ensure a perfect fit. This prevents issues and guarantees the best performance. -
Material Quality:
Look for parts made from durable materials like aluminum alloy or stainless steel. These materials resist wear and corrosion, ensuring your parts last a long time. High-quality materials mean better performance and fewer replacements. -
Ease of Installation:
Choose parts that are easy to install, even if you’re not a pro mechanic. Many parts are designed for a direct fit, requiring no special tools or modifications. This saves you time and hassle. -
Performance Gains:
Consider parts that offer tangible improvements in power, torque, or efficiency. Features like improved oil flow or better sealing can make a big difference. You’ll feel the enhanced performance every time you drive. -
Durability and Reliability:
Opt for parts known for their longevity and resistance to wear. Many high-performance parts are built to withstand tough conditions. This ensures your engine remains reliable for miles to come. -
Brand Reputation and Warranty:
Research brands with a good track record for quality and customer satisfaction. A warranty offers extra peace of mind, showing the manufacturer stands behind their product. It’s a sign of trust and quality. -
Value for Money:
Compare prices and features to find the best bang for your buck. Sometimes, a slightly higher upfront cost for a premium part can save you money in the long run. Get the most out of your investment.
Ready to take your LS engine to the next level? Explore these essential parts and unlock its full potential! What aspect of your LS engine are you looking to improve next?