Black Sky Diesel
Store
Book

BLACKSKYDIESEL

Canada's premier diesel performance specialists.

Bay C, 1202 5 Street
Nisku, AB  T9E 8B6
(587) 986-2383
5.025 Google reviews

Shop

  • Duramax Parts
  • Cummins Parts
  • Powerstroke Parts
  • EcoDiesel Parts
  • Merch & Apparel
  • Sale Items

Company

  • Cable Spool Skid
  • About Us
  • Services
  • Service Areas
  • Blog
  • Dealer Program
  • Careers
  • Contact

Support

  • Get a Quote
  • Shipping & Returns
  • Warranty
  • FAQ
  • Privacy Policy
  • Terms of Service

© 2026 Black Sky Diesel Inc. All rights reserved. 🇨🇦

Site by
DuramaxCumminsPowerstroke
Parts > ShopHome/Shop/Fluids & Additives/Engine Piston Ring Set Of 1 - MAHLE - S42221
Engine Piston Ring Set Of 1 - MAHLE - S42221
In Stock
MahleMahleSKU: BSD-MCI-S42221

Engine Piston Ring Set Of 1 - MAHLE - S42221

$47.96
Shipping Estimate

Enter destination details for an instant shipping estimate. Final rates are confirmed at checkout.

Description

MAHLE S42221 Engine Piston Ring Set – OE Grade Replacement

MAHLE(R) piston rings are the most technically advanced piston rings in the industry. Driven by OE requirements; reducing friction and ring mass while minimizing engine oil consumption, and providing longer service life. MAHLE piston rings lead the industry for the latest piston ring technology.

Engineered to meet or exceed OEM specifications
Reliable MAHLE performance and durability
Application-specific design for fit and function
GTIN/UPC: 27067928788
1 year limited warranty


Qty included in Set 1 Quantity per Application 6 Bore Diameter (in) 4.015 Item Grade Premium Oil Ring Assembly Material Cast Iron Piston Ring Face Coating Chrome Second Ring Material Cast Iron Second Ring Thickness (Axial Height) 0.094 in Top Ring Material Cast Iron Top Ring Thickness (Axial Height) 0.118 in Piston Ring Oversize Standard

Related Products

Replacement Radiator, fits Ford Ranger 2.5L 1998-2001 - Mishimoto - R2172-AT

Replacement Radiator, fits Ford Ranger 2.5L 1998-2001 - Mishimoto - R2172-AT

$333.13

Rod End (C) 2-Pc Carbon F-R 10 mm-10 mm - QA1 - MCFR10

Rod End (C) 2-Pc Carbon F-R 10 mm-10 mm - QA1 - MCFR10

$11.60

(Premium) 12V HP625 Series Heavy Duty Air Compressor Kit - Vertical Pump Head - Pacbrake - HP10629

(Premium) 12V HP625 Series Heavy Duty Air Compressor Kit - Vertical Pump Head - Pacbrake - HP10629

$856.10

Kit, Pro-Coil Aluminum MOD-Adj, 10-400 Tapered Flat - QA1 - MG401-10400B

Kit, Pro-Coil Aluminum MOD-Adj, 10-400 Tapered Flat - QA1 - MG401-10400B

$2,910.08