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MAHLE 50139 Precision-Ground Performance Piston Ring Set

(Chevrolet Colorado 2004-12; Dodge Dakota 1987-2010; Ford F-250 1965-67, Thunderbird 1958-60, F-350 1965-67, Galaxie 500 1962-66, F-100 1965-67 + 45 more models)

Part of: MAHLE Precision-Ground Performance Piston Ring Set

Other options in this family: MAHLE 41768 MAHLE 40203CP-030 MAHLE 41137CP MAHLE 41850CP-020 MAHLE 41858CP-020

Manufacturer

Picture for manufacturer MAHLE

Part Number

50139
23 reviews
Sale Price

$48.51

1 left at this price

delivery box

Usually delivered within 2 days

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Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The MAHLE 50139 is a precision-ground performance piston ring set engineered to OEM and beyond standards for reliable sealing, reduced oil consumption, and maximized engine efficiency. MAHLE is a globally recognized OEM supplier trusted by major automotive manufacturers, and their performance ring sets bring that same manufacturing precision to the aftermarket.

Key Features:

  • Precision-ground profile for optimized ring-to-cylinder wall contact and superior sealing
  • High-quality steel and cast iron construction for durability under extreme heat and pressure
  • Advanced surface treatments to reduce friction and extend ring and cylinder wall life
  • Tight dimensional tolerances consistent with MAHLE's OEM-grade manufacturing standards
  • Engineered for minimal oil consumption and improved compression retention
  • Compatible with standard and performance engine rebuild applications

MAHLE piston ring sets are a trusted choice for professional engine builders and serious DIY mechanics alike. The MAHLE 50139 delivers consistent performance and longevity, making it an ideal solution for engine rebuilds requiring reliable compression sealing and long service life.

Products specifications

Fits

Chevrolet Colorado 2004-12; Dodge Dakota 1987-2010; Ford F-250 1965-67, Thunderbird 1958-60, F-350 1965-67, Galaxie 500 1962-66, F-100 1965-67, F-250 Pickup 1965-67, Fairlane 1958-66, Ranchero 1957-59, 1965-67, F-350 Pickup 1965-67 + 41 more models

Bore (in)

4.000 in.

Bore (mm)

101.600mm

File Fit

No

Gapless

No

Oil Ring Included

Yes

Oil Ring Material

Stainless steel

Oil Ring Tension

Standard

Oil Ring Thickness

3/16 in.

Quantity

Sold as a set.

Second Ring Facing Material

Cast iron

Second Ring Included

Yes

Second Ring Material

Cast iron

Second Ring Thickness

3/32 in.

Top Ring Facing Material

Cast iron

Top Ring Included

Yes

Top Ring Material

Cast iron

Top Ring Thickness

5/64 in.

Piston Ring Material

Cast Iron

Piston Ring Size

Standard

Piston Ring Type

Standard

The product I ordered arrived on time. It was exactly as described and I will definitely order from this company again if I need anything.

Good and fast.

I'm Satisfied

Everything up to receiving item was fine. Only small negative is the crossmember could have been packaged better. It arrived with one corner slightly bent. I showed it Mr. Vise and straightened it out. Next step painting. Thanks!

Easy and quick

Easy breezy

Had exactly what I was looking for and delivery was fast.

Excellent shipping time..thank you

I contacted Autoplicity about the product & was advised of the price & shipping. This complete price was less than I could purchase it in town & arrival was much quicker. I am absolutely satisfied with the price & the quick delivery of the product. And let's not forget the knowledgeable sales personnel that helped with the product. I will continue to purchase from Autoplicity in the future. Thank you very much.

Great Price very speedy shipping will buy again

it seems to be a good site so far

They were Very quick and i was very happy with the service i got!! 9-10*

So far so good

This place was great. Great service they really helped mr out and were fast and extremely helpful.

Easy site

Cheap prices

thanks

So far so good thank you

will know more when the part arrives

Very fast shipping and good cutomer service

Can't see if it's in stock...

shopping experience quick and easy. Free shipping a definite plus

website is good, easy to use

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