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OEM Cross Reference 1337052
PDI Big Boss Cummins ISX/X15 Stage 1 Cylinder heads are meticulously designed to surpass the most demanding expectations
OEM Cross Reference 4298627
0986435539
The PDI Big Boss Turbo is made as an upgrade for most CAT 3406B and 3406C engines
Detroit DT12 Automatic Clutch cylinder head OEM Cross Reference 1337052Available for: Detroit DT12 Transmissions 2012 2021 Key Benefits 15% higher torque capacity All new clutch assembly Made in the USA Warranty: 1 Year Unlimited Mile Warranty PDI Big Boss clutch for the Detroit DT12 transmission is a great upgrade and replacement. This clutch fits all DT12 transmissions from 2012 2021 model years with 6 friction spring disc. Delivers the performance and reliability youve come to expect from PDI. Replaces OEM Part