CAT 6Y3991 For Sale
Browse our current listings for CAT 6Y3991. Inventory may include new, used, rebuilt, aftermarket, and core heavy equipment parts. Create an account to view dealer information and contact them for price and other info.
Current Listings
Listing
1 of 5Part Number
6Y3991Manufacturer
CATManufacturer Name
CATCondition
USEDQuantity Available
2Ships From
PALast Updated
9/14/2026Description
92831
Listing
2 of 5Part Number
6Y3991Manufacturer
CATManufacturer Name
CATERPILLARCondition
USEDQuantity Available
1Ships From
MTLast Updated
9/14/2026Description
CATERPILLAR USED
Listing
3 of 5Part Number
6Y3991Manufacturer
CATManufacturer Name
CATERPILLARCondition
USEDQuantity Available
1Ships From
UTLast Updated
8/17/2026Description
F4B DKW
Listing
4 of 5Part Number
6Y3991Manufacturer
CATManufacturer Name
CATERPILLARCondition
USEDQuantity Available
1Ships From
FLStock Number
UCC-6Y3991Last Updated
4/16/2026Description
USED RETAINER
Listing
5 of 5Part Number
6Y3991Manufacturer
CATManufacturer Name
CATCondition
USEDQuantity Available
1Ships From
MOLast Updated
8/19/2025Description
RETAINER