Best Lower Conversion Gasket Sets of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 10, 2026

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Lower conversion gasket sets are essential components of any engine rebuild or repair project. These gasket sets help to create a reliable seal between the engine block and the oil pan, preventing oil leaks and ensuring that the engine operates smoothly and efficiently. Made from high-quality materials, such as rubber and metal, these gasket sets are designed to withstand the high temperatures and pressures of engine operation. They are available in a variety of sizes and configurations to fit different types of engines, making them a versatile choice for any mechanic or DIY enthusiast. Whether you're working on a car, truck, or other vehicle, a lower conversion gasket set is an essential component that you can rely on.

At a Glance: Our Top Picks

MAHLE Original JV1690 Gasket Cover #TOP 1
MAHLE Original JV1690 Gasket
ftb score rating icon 9.9
MAHLE CS54657 Engine Gasket Set Cover #TOP 2
MAHLE CS54657 Engine Gasket Set
ftb score rating icon 9.8
Fel-Pro CS 9469 Engine Conversion Gasket Set Cover #TOP 3
Fel-Pro CS 9469 Engine Conversion Gasket Set
ftb score rating icon 9.6

Top 10 Lower Conversion Gasket Sets

#TOP 1

MAHLE Original JV1690 Gasket

JV1690

The MAHLE Original JV1690 Gasket is a high-quality sealing product that meets or exceeds the original equipment specifications. With OE equivalent or better materials, it provides superior performance and reliability. Whether you have a domestic, Asian, or European vehicle, this gasket is suitable for a wide range of applications. The gaskets are conveniently packaged in a shrink-wrapped tray, ensuring that you have the right parts before opening the package. This saves you time and gives you the added security of knowing that you have the correct gasket. The MAHLE Original JV1690 Gasket is a reliable choice for anyone in need of a lower conversion gasket set.

What We Like
High-quality sealing product
Wide range of applications
Conveniently packaged
#TOP 2

MAHLE CS54657 Engine Gasket Set

CS54657
MAHLE CS54657 Engine Gasket Set Cover
MAHLE CS54657 Engine Conversion Gasket Set

The MAHLE Engine Gasket Set is a reliable auto part designed to help you maintain or repair your engine efficiently. Its compact package, measuring about 4.8 by 32 by 41.1 centimeters, makes it easy to handle and store without taking up much space. Weighing just under one kilogram, this gasket set is lightweight, so you won’t struggle with heavy parts during installation. Originating from Taiwan, Province of China, this product assures you of quality manufacturing standards. The MAHLE Engine Gasket Set offers a convenient solution for your engine's lower conversion needs, making your repair process smoother and more effective.

What We Like
Compact package size
Lightweight design
Quality manufacturing origin
Reliable engine fit
#TOP 3

Fel-Pro CS 9469 Engine Conversion Gasket Set

CS 9469
Factory
Fel-Pro CS 9469 Engine Conversion Gasket Set Cover
FEL-PRO CS 9469 Conversion Gasket Set

The Fel-Pro Conversion Gasket Set is designed to fit a variety of vehicles including certain Chevrolet, Buick, and Isuzu models from the late '80s to the 2000s. This set is perfect if you’re doing lower engine repairs, as it includes every gasket you’ll need for the job. Before buying, it’s important to double-check that this set matches your vehicle’s year, make, model, and engine to ensure a perfect fit. You can trust the quality since it meets or exceeds original equipment standards, giving you peace of mind during your repair work.

What We Like
Wide vehicle compatibility
Complete lower engine gasket set
High-quality, reliable parts
Meets original equipment specs
#TOP 4

Fel-Pro CS 8510 Gasket Set

CS8510
Assorted
One Size
Fel-Pro CS 8510 Gasket Set Cover
FEL-PRO CS 8510 Conversion Gasket Set

The Fel-Pro CS 8510 Gasket Set is designed for Chevrolet K1500 and various other vehicle models. This set ensures compatibility with a wide range of vehicles, offering every gasket needed for lower engine work. By providing top-notch quality that meets or exceeds original equipment specifications, this set guarantees a reliable repair. Make sure to research compatibility before purchasing to avoid any fitment issues. For a complete engine overhaul, consider adding a Head Set (HS) to your purchase. With all necessary parts included, this gasket set simplifies your repair process.

What We Like
Wide vehicle compatibility
Top-notch quality
Complete repair solution
#TOP 5

YIDEZU Engine Conversion Lower Gasket Set

Y0001
YIDEZU Engine Conversion Lower Gasket Set Cover
YIDEZU Engine Conversion Lower Gasket Set Fit for Chevrolet Buick Hummer GMC Pontiac 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS2 LS3 LS4 LS5 LS6 CS5975A CS9284

YIDEZU Gasket Set is a premium kit designed for Chevrolet, Buick, Hummer, GMC, and Pontiac vehicles with 4.8L to 6.2L engines. Made of top-notch materials, these gaskets ensure a secure fit and precise alignment, making installation a breeze. Being brand new, they guarantee reliability. With OE numbers CS5975A and CS9284, they are easy to replace directly. This set is perfect for users looking for a hassle-free, high-quality solution for their engine conversion needs.

What We Like
Premium materials
Precise alignment
Easy installation
#TOP 6

DNJ LGS3223 Lower Gasket Set for 6.6L V8 Turbo

DNJ
LGS3223
DNJ LGS3223 Lower Gasket Set for 6.6L V8 Turbo Cover
DNJ LGS3223 Lower Gasket Set for 10-16 Chevrolet, GMC 6.6L V8 OHV Turbocharged LGH

The DNJ Lower Gasket Set is a brand-new, reliable option for your 2010-2016 Chevrolet or GMC 6.6L V8 OHV Turbocharged LGH engine. This set provides a high-quality sealing solution designed to ensure a tight, leak-free fit, which helps maintain your engine’s performance. It’s specifically made as a conversion set for the lower part of your engine, making it an essential upgrade or replacement for your vehicle. DNJ Engine Components has over 30 years of experience, so you can trust this product to deliver long-lasting durability and help keep your engine running smoothly.

What We Like
Brand-new quality
Perfect fit for 2010-16 Chevy/GMC
Effective sealing solution
Lower engine conversion set
Trusted 30+ years experience
#TOP 7

MAHLE Original B32074 Gasket Set

B32074
MAHLE Original B32074 Gasket Set Cover
MAHLE Original B32074 Gasket

The MAHLE Original Gasket is designed to meet or exceed the standards of original equipment, ensuring you get reliable and high-quality sealing for your vehicle. Using materials that match or surpass OE specifications, this gasket offers durability and dependable performance, giving you peace of mind. It supports a wide range of vehicles, including domestic, Asian, and European models, making it a versatile choice no matter your car’s origin. Plus, the gasket comes packaged in a shrink-wrapped tray, so you can be confident you have the correct parts before you even open the box, saving you time and hassle.

What We Like
OE specification compliance
High-quality materials
Wide vehicle compatibility
Secure shrink-wrapped packaging
#TOP 8

Fel-Pro CS 8169-2 Jeep Engine Conversion Gasket Set

CS 8169-2
Fel-Pro CS 8169-2 Jeep Engine Conversion Gasket Set Cover
FEL-PRO CS 8169-2 Conversion Gasket Set

The Fel-Pro Conversion Gasket Set is designed specifically for various Jeep models from the 1960s to the 1980s, making it easier for you to find a perfect fit for your vehicle. This set provides all the necessary gaskets for lower engine repairs, which means you get everything you need in one package. It’s important to double-check your vehicle’s details to ensure compatibility, helping you avoid any fitting issues. The set is built with high-quality materials that meet or exceed original specifications, so you can trust it to perform well and last long during your engine work.

What We Like
Wide Jeep model compatibility
Complete lower engine gasket set
High-quality, durable materials
Meets original equipment specs
Ensures proper fit and function
#TOP 9

Fel-Pro CS 9383 Toyota MR2 Gasket Set

CS 9383
Fel-Pro CS 9383 Toyota MR2 Gasket Set Cover
FEL-PRO CS 9383 Conversion Gasket Set

The Fel-Pro CS 9383 Gasket Set is designed to fit various Toyota and Chevrolet models, including the Toyota MR2 and Chevrolet Nova. This makes it easier for you to find the right gasket set for your vehicle with confidence. Before purchasing, you can verify compatibility by entering your vehicle’s details, ensuring the set matches your car’s year, make, model, engine, and trim. The conversion set covers all the necessary gaskets for lower engine repairs, so you get everything needed for a smooth repair process. This set is built to meet or exceed original equipment standards, offering you reliable quality you can trust for your engine work.

What We Like
Wide vehicle compatibility
Easy fit verification
Complete lower engine gaskets
High-quality, reliable parts
#TOP 10

Fel-Pro CS 9034 Dodge Ram Gasket Set

CS 9034
Fel-Pro CS 9034 Dodge Ram Gasket Set Cover
FEL-PRO CS 9034 Conversion Gasket Set

The Fel-Pro CS 9034 Gasket Set is designed specifically for Dodge Ram 2500 and 3500 models from 1994 to 2003, making it easy for you to find the right fit for your truck. It’s important to double-check your vehicle details before purchasing to ensure compatibility, helping you avoid any installation issues. This set includes all the essential gaskets needed for lower engine repairs, so you have everything required for a smooth repair process. Plus, if you’re planning a full engine overhaul, you can easily add a head gasket set for a complete rebuild. This product offers reliable quality you can trust for your engine work.

What We Like
Vehicle-specific fit
Comprehensive gasket coverage
Easy compatibility check
Expandable for full overhaul
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is a conversion set for gaskets?

A conversion set for gaskets is a specific set of gaskets that is used during the rebuild process of an engine. It is different from the main gaskets used when working on the cylinder head.

2. Are OEM gaskets better than aftermarket?

OEM gaskets are considered to be of higher quality compared to aftermarket gaskets. OEM gaskets are made by the same manufacturer as the original gaskets, using the same materials and specifications. On the other hand, aftermarket gaskets can vary in quality depending on the manufacturer and price, as they are made of different grade materials.

3. What is a conversion kit in an engine?

A conversion kit in an engine refers to a modification that allows the engine to use an alternative, cleaner fuel instead of traditional diesel or gasoline. These kits are designed to modify the engine to run on fuels such as natural gas, propane, alcohols, electricity, or a blend of conventional and alternative fuels. The purpose of a conversion kit is to improve air quality by reducing emissions.

Editor's Notes

During our lower conversion gasket set research, we found 24 lower conversion gasket set products and shortlisted 10 quality products. We collected and analyzed 4,102 customer reviews through our big data system to write the lower conversion gasket sets list. We found that most customers choose lower conversion gasket sets with an average price of $30.82.

The lower conversion gasket sets are available for purchase. We have researched hundreds of brands and picked the top brands of lower conversion gasket sets, including MAHLE, Fel-Pro, YIDEZU, DNJ. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.