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Sealed Power E459X20 Cast Piston Ring Set +0.020 in. Oversize

(GMC G2500 1985-95, Sonoma 1991-95, K1500 1985-86, 1988-95, C1500 1985-86, 1988-95, K2500 1985, 1988-95, Jimmy 1992-94, Safari 1985-94 + 36 more models)

Manufacturer

Part Number

E459X20
Sale Price

$67.50

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sealed Power E459X20 is a cast iron piston ring set designed for GM 4.3L V6 engines, engineered to a +0.020 in. oversize bore diameter of 4.020 inches. Manufactured under ISO and QS certified processes, this set meets or exceeds original equipment manufacturer (OEM) specifications, making it a reliable choice for engine rebuilds and overhauls.

Key Features:

  • Ring Configuration: Three-ring set per cylinder — top compression, second compression, and oil control ring
  • Ring Groove Widths: 5/64 in. top ring, 5/64 in. second ring, 3/16 in. oil ring
  • Bore Size: 4.020 in. (+0.020 in. oversize)
  • Oil Groove Depth: 0.190 in. deep groove design
  • Material: Cast iron compression rings with stainless steel oil ring components
  • Decreased friction for improved engine efficiency and longevity
  • Scuff-resistant construction for durability under demanding conditions
  • Exacting tolerances for proper cylinder sealing and reduced blowby
  • Meets or exceeds OEM specifications
  • Sold as a complete set for one 6-cylinder engine

OEM & Cross-Reference Part Numbers:

  • General Motors: 12507985, 14089025
  • Clevite: 459X, 51684CP
  • Hastings Piston Rings: 5712
  • Hi-Tech Engine Components: 5712
  • Dana Commercial Vehicle Service Parts: 51475

Sealed Power is a Federal-Mogul brand with decades of expertise in engine component manufacturing. The E459X20 piston ring set is built to restore compression, reduce oil consumption, and bring your engine back to proper operating specifications during a rebuild or bore job.

Products specifications

Fits

GMC G2500 1985-95, Sonoma 1991-95, K1500 1985-86, 1988-95, C1500 1985-86, 1988-95, K2500 1985, 1988-95, Jimmy 1992-94, Safari 1985-94, C2500 1985-86, 1988-95, S15 1988-90, S15 Jimmy 1988-91, P3500 1990-95, G3500 1985-95 + 31 more models

Agricultural Equipment

N

Application Specific

Y

Car Light Truck

Y

Engine Specific

Y

Freight Class

55

Heavy Duty Truck

N

High Performance

N

Industrial Off Highway Equipment

N

Marine

N

Medium Duty Truck

N

Motorcycle ATV

N

Non Vehicle Specific

N

Oversize Inch

.015

Personal WaterCraft

N

Small Engine

N

SnowMobile

N

Transmission Specific

N

What is in the box

High quality cast ring set

Feature 2

Uses leading edge materials

Top Ring Width (in)

5/64

Bore Diameter

4.0000

Top Ring Face Design

Reverse Torsional

File Fit

No

2nd Ring Face Design

Reverse Torsional

Oversize (in)

0.020

2nd Ring Material

Grey Iron

File Fit (Y/N)

N

Ring Set Groove Widths (in)

5/64 x 5/64 x 3/16

Outside Diameter (in)

4.0200

Oil Ring Width (in)

3/16

Top Ring Material

Grey Iron

Oversized Amount

0.020

2nd Ring Width (in)

5/64

Cylinder Quantity

6

Outside Diameter

4.0200

Bore Size (in)

4.0000

Oil Ring Design

SS50U

Oil Ring Design

3 Piece Flex Vent

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