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Caterpillar C6.6 Engine Family 2 variants

The Caterpillar C6.6 engine line groups 2 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.

Variants in this family

C6.6C6.6 ATAAC

Generator sets using this engine family

Caterpillar C6.6 Generator SetCaterpillar D125

Parts cataloged across the Caterpillar C6.6 family

Part #	Description	Category
S200-0369	Maintenance-free battery, 1000 CCA (2)	Battery
S200-0632	Starting and charging system, 24V	Battery
S200-1156	Keyless battery disconnect switch	Battery
S200-0863	Keyless ignition stop/start switch	Ignition
S200-1038	Starting aid, thermal	Ignition
S200-0578	Directional signals, front & rear	Light
S200-0758	Halogen work lights, front & rear	Light
S200-0957	Roading lights	Light
289-2630	5×5 fl ood, work lamps	Lighting
389024500-C	Coolant heater, 1500W, 120V	Service part / kit
INT9-101F	Replaces any core plug	Service part / kit
INT9-102F	Replaces any core plug	Service part / kit
NRG22-10-RC	Battery charger, 120/208-240V, 6/3A	Service part / kit
TPL-489-C	OPERATING & MAINTENANCE OF D175	Service part / kit
JPR-HDS170	PUMP ASSY	Pump

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Aftermarket parts that fit this family

276-7389 FridayParts $52.53 350-8687 FridayParts $160.59 VA53-BP70/LL-39A FridayParts $160.59 213-9759 FridayParts $22.58 KuduParts $50.00 126T FridayParts $73.56 033-7687 FridayParts $73.56 211-2092 FridayParts $99.10 SinoCMP $118.00 3056E0 FridayParts $99.10 416-7727 FridayParts $35.59 322-3155 FridayParts $35.45 344-3456 FridayParts $121.60 344-3455 FridayParts $121.60 105-4849 FridayParts $82.99 201-0950 FridayParts $94.30 252-2237 FridayParts $108.20 375-1478 FridayParts $34.99 219-6488 FridayParts $57.90 20R-3857288-6976 FridayParts $568.89 20R-3857 FridayParts $568.89 3005-24V FridayParts $89.99 3E-7586 FridayParts $89.99 105-4850 FridayParts $89.99 355mm FridayParts $53.89 351-0925 KuduParts $52.00 FridayParts $53.89 096-1628 FridayParts $48.56 5P-8309 FridayParts $48.90 20R-2478 FridayParts $938.25 370-7282 SinoCMP $189.00 FridayParts $938.25 321-0955 FridayParts $625.56 282-0455 FridayParts $625.56 425-7103 FridayParts $171.56 197-6548 FridayParts $145.99 171-2211 FridayParts $81.88 SDLM-90-4 FridayParts $81.88 290-2789 FridayParts $607.53 327-6125 FridayParts $63.24 327-8515 FridayParts $63.24 148-8385 FridayParts $10.80 150-4037 FridayParts $27.42 286-6911 FridayParts $1426.56 P959383 FridayParts $49.66 131-8828 FridayParts $128.84 365-7606 KuduParts $41.00 FridayParts $43.00 539-6920 KuduParts $104.00 FridayParts $108.99 2G-1034 FridayParts $13.66 179-9625 FridayParts $69.99 236-6368 FridayParts $55.99 349-4121 FridayParts $55.89 388-6817 SinoCMP $1099.00 FridayParts $1227.40 227-5971 FridayParts $359.99 171-2206 FridayParts $187.70 277-9463 FridayParts $22.98 148-8339 FridayParts $42.89 6V-8716 FridayParts $42.89 339-6955 KuduParts $163.00 FridayParts $168.45 212-5883 FridayParts $156.66 176-1932 FridayParts $64.99 176-1931 FridayParts $64.99 345-3381 FridayParts $1889.56 SinoCMP $1999.00 351-8758 SinoCMP $1069.00 FridayParts $1459.89

Leads compiled from supplier catalogs across the family’s variants; verify the exact part for your variant and serial number.