12645102 GENERAL MOTORS – 0445010817 Bosch hp fuel pump

Reman/Exchange: 0986437421 / 0986437421R / CP4-421R
Compatible Bosch numbers: 0445010616, 0445010687, 0445010802, 0445012016

OEM GM numbers: 12661059, 12638262, 12658095, 12639151, 12645102, 12645103

Type Formula: CR/CP4HS2/R90/40-S
This is a Bosch CP4 (Common Rail CP4.2 single-piston high-pressure pump) for 2011–2016 GM 6.6L Duramax LML engines.

Vehicle Applications:
Chevrolet Silverado & GMC Sierra 2500/3500 HD — engine code LML, 2011–2016
Chevrolet Express & GMC Savana vans and chassis cab trucks — engine code LGH, 2010–2016

Engine Details:
LML: 397 bhp (296 kW) @ 3,000 rpm / 765 lb·ft (1,037 N·m) @ 1,600 rpm — LGH (Van): 260 bhp (194 kW) / 525 lb·ft (712 N·m)
6.6L, V8, 8 cylinders
VIN 8th digit “8” = LML (trucks), “L” = LGH (vans)