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 3771MS-043 Piston Ring Set 3.771" Bore File Fit

Part of: MAHLE Piston Ring Set Bore File Fit

Other options in this family: MAHLE 4005MS-15 MAHLE 4035MS-15 MAHLE 4065MS MAHLE 3910MS-15 MAHLE 4505MS

Manufacturer

Picture for manufacturer MAHLE

Part Number

3771MS-043
8 reviews
Sale Price

$154.81

In Stock (8)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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 3771MS-043 is a high-quality piston ring set designed for precision engine building and performance applications. This file-fit ring set is engineered for a 3.771-inch bore diameter with a +0.005-inch oversize tolerance, providing flexibility for custom bore sizing and optimal ring-to-cylinder wall clearance.

Key Specifications:

  • Bore Size: 3.771 inches (+0.005 inch oversize)
  • Top Ring Width: 0.043 inches (1/16")
  • Second Ring Width: 0.043 inches (1/16")
  • Oil Ring Width: 3.0mm
  • File-fit design allows precise end-gap adjustment during installation

Features and Benefits:

  • Premium MAHLE engineering ensures consistent ring seal and long-term durability
  • File-fit configuration enables professional engine builders to custom-fit rings for optimal end gap
  • Precision-manufactured for proper tension and cylinder wall conformity
  • Suitable for performance rebuilds, custom engine builds, and racing applications

MAHLE piston rings are manufactured to exacting standards using advanced materials and coatings to reduce friction, improve sealing, and maximize engine efficiency. The file-fit design is ideal for builders who require precise control over ring end-gap specifications for their specific application.

Products specifications

Prop 65

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

My name is Doug Raber and I tell you the truth when I say autoplicity is a great site to shop for auto parts. The prices are low and the customer service is excellent.

Excellent price on the product and shipping! Ordered on Thursday night (after they closed) and they were shipped out Monday!

First time I've tried these guys. Had trouble getting this product from my normal source (backordered) but Autoplicity shipped quickly and had a better price too! You know I will be back! Thanks!

Thanks

I searched for a quality automobile battery charger and found the best priced and longest warranty "smart" charger at Autoplicity and one other seller. Autoplicity carried a wider selection of the models offered by the manufacturer.<br> Looking over the website I entered my vehicles into the fields and found quality offerings. It is worth looking at.<br> Ordering was straight forward, shipping began the next day with a tracking number, and the order arrived on time. I bookmarked the website.

Great customer service. Prompt shipment and excellent prices. I will defiantly be ordering from them again. Just wish I would have found them sooner!!

Great price, fast shipping and the items was correct. A perfect transaction. Thank you!

I received my ARP head studs as described and on time with zero problems, and cheaper than anywhere else.Will use again!!!

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