Description
Cummins ISX Inframe Overhaul Rebuild Kit – DOHC
Engine Fitment: Cummins ISX15 Single Overhead Camshaft (DOHC) Engines
Premium Inframe Rebuild Kit for Cummins ISX DOHC Engines
Revive the power and efficiency of your Cummins ISX DOHC engine with this complete Inframe Overhaul Rebuild Kit, built to meet the rugged demands of long-haul fleets and heavy-duty operations. Whether you’re tackling a preventative inframe rebuild or repairing a failed engine, this kit includes everything needed to overhaul the lower and upper engine assemblies—ensuring performance, reliability, and long-term durability.
This Cummins ISX15 rebuild kit is precision-matched for Dual Overhead Cam configurations and includes pistons, liners, gaskets, rings, bearings, and seals—all designed to meet or exceed OEM specifications for fit and function.
Inframe Rebuild Kit Contents:
| Qty | Part Number | Description |
| 6 | 4376244 | Piston Kit |
| 6 | 2882631 / 3684467 / 4367173 | MONOTHERM PISTON |
| 6 | 3064305 | Piston Pin Retainer |
| 6 | 4923748 | Piston Pin |
| 1 | 4955596 | Upper Gasket Set |
| 1 | 4089405 | Rod Bearing STD |
| 1 | 3800298 | Main Bearing STD |
| 1 | 4026684 | Oil Pan Gasket |
| 6 | 4376168 | Cylinder Liner Kit |
| 6 | 3678738 | O-Ring Seal |
| 6 | 4309441 | Ring Set |
Key Features & Benefits
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Designed for ISX DOHC Engines: Built to match Cummins factory specs for Single Overhead Cam configurations
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Complete Inframe Solution: Includes pistons, rings, liners, gasket set, bearings, and seals for a comprehensive rebuild
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High-Strength Components: Manufactured from premium materials to withstand high load, pressure, and thermal environments
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Seals & Gaskets Included: Upper gasket set and oil pan gasket help prevent leaks and ensure tight sealing
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Restores OEM Power & Efficiency: Get your engine running like new—improved compression, reduced blow-by, and extended service life
Engine Compatibility:
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Cummins ISX (Dual Overhead Camshaft – DOHC)
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Suitable for on-highway applications, including freight, construction, and vocational trucks
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EPA-compliant platforms used widely in North American fleets
Why HDKits?
Heavy Duty Kits is the go-to source for Cummins rebuild solutions trusted by diesel mechanics, fleet managers, and rebuilders nationwide. Our ISX15 kits are curated by technical experts and quality-verified—so you get OE-level performance at aftermarket pricing.
Fast shipping
Expert support
No missing parts – just the right fit, first time
Engineered for Power | Trusted by Professionals | Ships Fast
Get your Cummins ISX DOHC back to work with confidence.
Order your complete inframe rebuild kit from HDKits today!
FAQs
Q1: Will this kit fit ISX DOHC (Dual Cam) engines?
No. This kit is specifically designed for Dual Overhead Cam (DOHC) ISX 15L engines. If you have a Dual Cam engine, contact us for the correct kit.
Q2: Does this kit include rod and main bearings?
Yes. The kit includes standard rod bearing and main bearing sets suitable for inframe rebuilds.
Q3: Can this kit be used for an out-of-frame rebuild?
It’s primarily designed for inframe overhauls. For out-of-frame rebuilds, you may need additional components such as crank seals, cam bushings, or oil pump.







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