My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Cometic C5721-098 MLS Cylinder Head Gasket for Buick 3800 Series II/III V6

(Chevrolet Camaro 1996-2002, Impala 2000-03, Monte Carlo 1998-2003, Lumina 1998-99; Pontiac Firebird 1996-2002, Grand Prix 1997-2003 + 10 more models)

Manufacturer

Picture for manufacturer Cometic

Part Number

C5721-098
9 reviews
Sale Price

$157.59

Estimated ship date Tuesday, November 24

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Cometic C5721-098 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Buick 3800 Series II and Series III V6 engines. This high-performance gasket features a .098-inch compressed thickness and a 3.840-inch bore diameter, making it ideal for stock and modified applications.

Key Features:

  • Multi-Layer Steel (MLS) construction for superior sealing and durability
  • .098-inch (2.49mm) compressed gasket thickness
  • 3.840-inch bore diameter optimized for Buick 3800 powerplants
  • Compatible with both Series II and Series III V6 engines
  • Engineered for right-hand side (RHS) cylinder bank
  • Exceeds OEM specifications for pressure and temperature resistance

Cometic's MLS gaskets utilize multiple layers of stainless steel with advanced coating technology to provide exceptional combustion sealing, even under extreme cylinder pressures. The proprietary design allows for minor surface imperfections while maintaining a reliable seal, making these gaskets suitable for both stock rebuilds and high-performance builds. Each gasket is manufactured to exacting tolerances to ensure proper fit and long-term reliability.

Products specifications

Fits

Chevrolet Camaro 1996-2002, Impala 2000-03, Monte Carlo 1998-2003, Lumina 1998-99; Pontiac Firebird 1996-2002, Grand Prix 1997-2003, Bonneville 1996-2003; Buick Regal 1996-2003, LeSabre 1996-2003, Park Avenue 1996-2003 + 6 more models

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Material

Multi-layer Steel

Had the product I needed at a price that couldn't be beat. The shipping was a little high, but not completely out of line, either, and it was still better than other companies who have even MORE ridiculous shipping rates. Will buy from them in the future if they have what I need.

Great

It was quick and easy and matched my part to make sure it would fit. Just waiting to see how quick shipping will be now.

Great price and fast shipping!

Great prices and easy transaction

Best price I could find on line, shipped really fast. With how low the price is I was worried but everything came fast and it was the correct parts. This place really keeps the cost of racing down.

Everything went seamlessly. I placed my order on a Thursday and it got here Tuesday morning. No problems, and it was the best price I could find.

Had to upgrade to a Snell 2010 helmet this year, bought the identical helmet for $200 less than I paid 8 years ago! Fast shipping, I will be checking Autoplicity first in the future!

GOOD PRICE! way to go keep up the good work!!!!

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy