MAHLE Cummins ISX Inframe Rebuild Kit –

MAHLE Cummins ISX APR Inframe Rebuild Kit – 150mm Liner 4595518 | Includes Piston Kit 4376243

Compatible with CPL Numbers: 1437, 2732, 3229, 3459, 3775, 8287, 8288, 8520, 8523, 8550

Product Overview

Restore the power, reliability, and efficiency of your Cummins ISX APR engine with this complete MAHLE inframe rebuild kit, engineered for demanding heavy-duty applications.

This kit features 150mm APR liners (4595518) and includes piston kit 4376243, delivering OEM-level performance with components trusted worldwide. Designed for precision fit and long service life, it allows a full inframe overhaul using high-quality parts without compromising durability.

Built to meet or exceed OEM specifications, MAHLE components are recognized for their superior engineering, making this kit the ideal solution for professional rebuilds.

Why Choose MAHLE?

✔ OEM-Level Engineering Excellence
MAHLE is a global leader in engine components, supplying OEM manufacturers with precision-engineered parts designed for maximum performance and reliability.

✔ Proven Quality & Durability
Manufactured using advanced materials and strict quality control, ensuring long service life under extreme operating conditions.

✔ Trusted Worldwide
Used by fleets, rebuilders, and technicians globally who demand consistent performance and reliability.

✔ Precision Fit & Performance
Designed for exact tolerances, ensuring proper sealing, reduced wear, and optimal engine efficiency.

Why This Kit Is a Smart Investment

✔ Complete Inframe Rebuild Solution
All critical components included for a professional and efficient engine overhaul.

✔ 150mm APR Liner Configuration
Designed for proper cooling, sealing, and long-term durability in heavy-duty applications.

✔ OEM-Quality Components
Ensures maximum reliability, performance, and extended engine life.

✔ Reduced Downtime
Get your equipment back in operation faster with a complete, ready-to-install solution.

✔ Built for Heavy-Duty Use
Engineered to handle high loads, extreme temperatures, and continuous operation.

✔ Protect Your Engine Investment
Avoid costly failures with premium internal components designed for longevity.

Built for Performance. Engineered by MAHLE.

When you choose MAHLE, you're not just buying parts — you're investing in OEM-level quality, proven durability, and long-term performance trusted across the global diesel industry.