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Omix Piston 4.2L .030 79-90 Jeep CJ

SKU: OMI17427.29

OMI Pistons...

Omix Piston 4.2L .030 79-90 Jeep CJ

SKU: OMI17427.29

OMI Pistons...

A$167.65
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Omix Piston 4.2L .030 79-90 Jeep CJ

Over time all internal engine wear surfaces become worn. This is true for crankshaft journals, connecting rods, camshaft lobes, piston rings, bearings, etc. When rebuilding a worn out engine youll need to replace them all in order to regain the engines original performance. And, lets face it, Jeeps need all the power we can get. Omix offers new high quality replacement engine parts to get your Jeep back on the road. This replacement piston fits 79-83 CJ5, 79-86 CJ7, 81-86 CJ8 Scrambler, 87-90 Wrangler YJ, 79-83 Cherokee / Wagoneer SJ, 79-87 J-Series Trucks and 84-86 Grand Wagoneer SJ models equipped with 4.2 liter six cylinder engines with 0.030- in. over-bore. Sold individually- use 6 per engine. Replaces OE 8134441.030

Additional Information

Piston; 0.030 Over; w/Pin; Single;

Additional Application Notes
• 0.030 Over; w/Pin; Single

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 06:30:36

Data: v4.2 - Upd: 2026-11-09 02:13:49

Features

  • .030 Over
  • Engine Work May Be Required To Install This Part
  • Limited 5 Year Warranty

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

(keyword: piston)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Description:Piston
Part Number:omi17427.29

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Omix, Omix-ada
StreetFX SKU omi17427.29
SFX Item ID 4254823
Accounting SKU omi-17427.29
Manufacturer SKU 17427.29
Manufacturer UPC 804314150440

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