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Detroit Series 60 11.1L 12.7L Cylinder Head | 23525566 | Loaded | New
Detroit Series 60 11.1L 12.7L Cylinder Head | 23525566 | Loaded | New
SKU: HBRN23525566VS
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Estimated Delivery: October 6 to October 9
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New aftermarket loaded cylinder head for Detroit Diesel Series 60 11.1L and 12.7L diesel engines, casting 23525566 (8929620 / 8929872). Manufactured by DCW, this head ships fully loaded with valves, springs, guides, seats, and injector tubes installed — ready to complete with your injectors. It replaces Detroit 23523294, 23525567, and 23526844.
Key Features:
- New aftermarket loaded cylinder head for Detroit Series 60 11.1L/12.7L, casting 23525566
- Ships fully loaded — valves, springs, guides, seats, and injector tubes installed
- Cam bearings installed
- Replaces Detroit 23523294, 23525566, 23525567, and 23526844
- New aftermarket assembly that restores factory specification
Specifications:
- Base part number: 23525566 (Detroit Diesel)
- Casting: 8929620 / 8929872
- Component type: Complete (loaded) cylinder head
- Valve configuration: 24-valve; valves and springs installed (loaded)
- Included components: valves, springs, guides, seats, injector tubes, cam bearings (installed)
- Condition: New — Aftermarket (DCW)
- Material: high-strength, alloyed cast iron
- Engine make: Detroit Diesel
- Engine models: Series 60, 11.1L and 12.7L
Compatibility / Fitment:
- Fits Detroit Diesel Series 60 11.1L and 12.7L diesel engines
- On-highway applications include Freightliner, Peterbilt, Kenworth, Western Star, and Volvo trucks, plus industrial and generator applications
- Loaded head — includes valves and springs (standard, not Inconel), with guides, seats, injector tubes, and cam bearings installed; injectors not included
- Verify your engine serial number / ESN and configuration against casting 23525566 before ordering
- Replaces Detroit 23523294, 23525567, 23526844, and casting numbers 8929620 / 8929872
Conclusion:
The Detroit 23525566 is a new aftermarket loaded cylinder head for Series 60 11.1L and 12.7L engines, casting 8929620/8929872, shipped fully loaded with valves, springs, guides, seats, and injector tubes installed. It restores proper sealing and valvetrain function. Verify your engine serial and configuration against casting 23525566 before ordering.
