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Cummins ISX / QSX15 Cylinder Liner Kit | 150mm Flat-Top (Non-APR) | Replaces 4309389
Cummins ISX / QSX15 Cylinder Liner Kit | 150mm Flat-Top (Non-APR) | Replaces 4309389
SKU: PAICUP161651
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New aftermarket PAI cylinder liner kit for Cummins ISX and QSX15 engines with 150 mm OD flat-top (non-APR) liners. It replaces Cummins 4309389 and 4376430. Each kit contains one cylinder liner with its captive shim and one liner seal, enough for one cylinder. The liner bore is 5.40 in (137.16 mm).
Kit Contents:
- 1 × cylinder liner with captive shim (Cummins ref. 4311633; liner 4311632)
- 1 × liner seal
Key Features:
- Flat-top (non-APR) 150 mm OD cylinder liner for Cummins ISX and QSX15
- Captive shim, supplied installed with the liner
- Liner seal included
- One kit per cylinder
Specifications:
- Replaces: Cummins 4309389, 4376430
- Brand: PAI
- Condition: New Aftermarket
- Component type: Cylinder liner kit
- Liner OD: 150 mm
- Liner type: Flat-top (non-APR), captive shim
- Cylinder bore: 5.40 in (137.16 mm)
- Engines: Cummins ISX, QSX15
- Quantity: One liner kit (six per engine)
Compatibility / Fitment:
Fits Cummins ISX and QSX15 engines with 150 mm OD flat-top (non-APR) cylinder liners, using liner kit 4309389 or 4376430.
Hard fitment gate — liner type: This is a flat-top (non-APR) liner, with no counterbore at the top. Engines with APR liners, which have a counterbore at the top holding a removable scraper ring, use a different liner kit. Match your existing liner type before ordering.
Second gate — liner size: This kit is for 150 mm OD liners. The liner seal color identifies the size: pink for 150 mm, blue for 152 mm. Engines with 152 mm liners use a different kit.
Quantity note: This listing is for one liner kit, which covers one cylinder. A full ISX engine uses six. Complete in-frame kits with pistons and bearings are also available.
Common interchanges: 4309389, 4376430, 4025311, 4089153, 226-4596
Conclusion:
A PAI cylinder liner kit for Cummins ISX and QSX15 engines with 150 mm flat-top (non-APR) liners, replacing Cummins 4309389 and 4376430, with captive shim and liner seal included. Confirm the liner type and size before ordering.
