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

MAHLE 3021321B Performance Steel Napier Piston Ring Set Bore - 3.2382in

Manufacturer

Picture for manufacturer MAHLE

Part Number

3021321B
11 reviews
Sale Price

$5.04

Estimated ship date Saturday, November 21

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 MAHLE 3021321B is a high-performance piston ring set engineered with premium steel construction and a Napier-style second ring design for enhanced durability and sealing performance. This ring set features a 3.2382-inch bore diameter with a 1.2mm radial width and 0.135-inch ring width, making it suitable for precision engine builds and performance applications.

Key Specifications:

  • Bore diameter: 3.2382 inches (82.25mm)
  • Radial width: 1.2mm
  • Ring width: 0.135 inches
  • Second ring design: Napier profile for improved oil control
  • Material: Performance-grade steel construction
  • Plain ring set configuration

MAHLE is a globally recognized leader in piston ring technology, manufacturing components that meet or exceed OEM specifications. The Napier second ring design provides superior oil control and reduced blow-by, making this ring set ideal for demanding performance and racing applications where reliability and precise tolerances are critical.

Quick and effective

Great price!

I love online shopping

Hard to find part. Thank you

Quick and easy shopping. Thank you.

Website was quick and efficient. Hopefully shipping and quality of parts are as well.

part easy to find

this could be the beginning of a wonderful relationship

ok so far lets see how shipping is

EZ as it gets!

Very fast shipping and product was secure in package to avoid damage....will be ordering from autoplicity again for sure. Also the price could not be beat.

Share icon
Return Policy
Returns are easy at Autoplicity

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