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Overhaul Kits for Cummins 6CTA, ISC, and QSC 8.3 L Engines

Cummins 6CTA/ISC/QSC Overhaul Kit

Restore your C-Series engine to its original condition with Cummins overhaul kits from Diesel Parts Direct. We offer a broad range of OEM and aftermarket rebuild kits for 8.3L Cummins diesel engines. If you’re looking for an in-frame overhaul kit for your 6CTA diesel or a complete overhaul kit for your ISC or QSC Cummins engine, the search ends here.

Our A+ rating from the Better Business Bureau is evidence of our commitment to providing the highest quality parts and service to our customers. From free shipping on 8.3 Cummins overhaul kits to help with selecting the right ISC rebuild kit, you’ll experience our hard-earned reputation.

Depend on Diesel Parts Direct to deliver the best overhaul kits for your Cummins C-Series engines.


IN-FRAME OVERHAUL KIT - 6C8.3 / ISC / ISL / QSC / QSL

$1,916.16

IN-FRAME OVERHAUL KIT - ISC SERIES

Complete Overhaul Kit Also Available

$1,599.85

COMPLETE ENGINE OVERHAUL KIT - ISC

$1,541.74

COMPLETE ENGINE OVERHAUL KIT - ISC (HPCR)

$1,591.65

COMPLETE ENGINE OVERHAUL KIT - ISC (HPCR)

$1,591.65

COMPLETE OVERHAUL KIT - ISC

In-Frame Kit Also Available

$1,932.19

COMPLETE ENGINE OVERHAUL KIT - 6CTA 8.3L

$1,280.50