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HEAVY DUTY KITS
Cummins ISX Inframe Overhaul Rebuild Kit – DOHC | 4376243
$2,937.25
In Stock
Cummins ISX Inframe Overhaul Rebuild Kit – DOHC Fits: Cummins ISX Dual Overhead Cam (DOHC) Engines Complete Inframe Rebuild Kit for Cummins ISX DOHC Engines Restore the power, performance, and reliability of your Cummins ISX Dual Overhead Cam (DOHC) engine with this complete Inframe Overhaul Rebuild Kit, engineered to handle the toughest demands of over-the-road, […]
Categories:
Dual CamSKU:
HDK-AB981-ISX-DOHCBrand:
Heavy Duty KitsCummins ISX Inframe Overhaul Rebuild Kit – DOHC
Fits: Cummins ISX Dual Overhead Cam (DOHC) Engines
Complete Inframe Rebuild Kit for Cummins ISX DOHC Engines
Restore the power, performance, and reliability of your Cummins ISX Dual Overhead Cam (DOHC) engine with this complete Inframe Overhaul Rebuild Kit, engineered to handle the toughest demands of over-the-road, heavy-duty use. Whether you’re running long-haul freight or vocational fleets, this kit offers everything needed to bring your engine back to factory-level condition—with OEM-spec quality parts and zero guesswork.
Featuring matched piston assemblies, cylinder liner kits, premium bearing sets, and gaskets, this rebuild kit supports top-end and bottom-end repairs for ISX DOHC configurations—trusted by diesel mechanics and fleets across North America.
Inframe Rebuild Kit Contents:
| Part Number | Description | Qty | Notes |
|---|---|---|---|
| 4376243 | Piston Kit | 6 | Includes Piston (3684472), Retainers (3064305), Pin (4923748) |
| 4955596 | Upper Gasket Set | 1 | Head gaskets, seals, injector O-rings, valve cover gaskets |
| 4089405 | Rod Bearing STD | 1 | 6 Pairs / 12 Shells |
| 3800298 | Main Bearing STD | 1 | STD size – includes upper and lower shells |
| 4026684 | Oil Pan Gasket | 1 | One-piece oil pan seal |
| 4376168 | Cylinder Liner Kit | 6 | Includes Liner (3690557), Shim, APR, O-ring (3678738) |
| 3678738 | O-Ring Seal | 6 | Cylinder liner O-rings |
| 4309441 | Ring Set | 6 | High-tension rings matched for Cummins DOHC pistons |
Key Features & Benefits
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Designed for ISX DOHC Engines: Precision-engineered for Cummins ISX Dual Cam applications (pre-2010 EPA engines)
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Complete Inframe Coverage: Rebuild top-end and bottom-end assemblies with one premium kit
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OEM-Matched Pistons: One-piece piston design built to handle heat and cylinder pressure
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Durable Cylinder Liners: Includes anti-polishing rings (APR) and liner shims for proper fitment
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Full Seal & Gasket Coverage: From the cylinder head to the oil pan, this kit ensures leak-free operation
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Ideal for Fleet Maintenance & Owner-Operators: Designed to reduce downtime and extend engine life
Engine Compatibility:
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Cummins ISX (DOHC – Dual Overhead Camshaft)
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Typically used in trucks from 2004–2010 prior to the introduction of ISX15 SOHC models
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Common in Peterbilt, Kenworth, Freightliner, and other Class 8 trucks
- CPL: 1437,2732, 3229, 8287, 8288, 8520, 8523
Why Buy from HDKits?
Heavy Duty Kits is the trusted choice for diesel engine rebuild solutions, backed by expert knowledge and fast fulfillment. Each component is quality-verified and compatible with your exact ISX DOHC setup.
✔️ Expert Support
✔️ Fast USA Shipping
✔️ 100% Engine Compatibility Guarantee
Built to Perform | Trusted by Pros | Ready to Ship
Get your ISX DOHC engine back to work with a complete rebuild kit that delivers durability, power, and value.
Order now from HDKits and rebuild with confidence.
FAQs
Q1: Will this kit work for an ISX15 SOHC engine?
No. This kit is specifically designed for the earlier DOHC (Dual Cam) version of the ISX engine. If you have a single cam ISX15, check out our SOHC kit instead.
Q2: Does the piston kit include pins and retainers?
Yes. Each piston kit includes the piston, wrist pin, and retainers for a complete drop-in setup.
Q3: Are cylinder liners matched with APR and seals?
Absolutely. The liner kits include anti-polishing rings, O-rings, and shims, ensuring proper cylinder sealing and fitment.
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