< Back ×
Genuine GM 12548339
Gear, Trans Mainshaft Overdrive
- Part Description GEAR, Transmission Mainshaft
- Brand GM
$432.44
MSRP: $686.60
You Save: $254.16 (38%)
In Stock. Ships in 1-3 Business Days
Vehicle Specific
Check if it fits by entering your vehicle infoSelect Your Vehicle
Why Choose AutoPartsPrime
- Dedicated Service
We have experienced professionals here to help you via phone, live chat or email.
- Unbeatable Prices
We offer genuine OEM parts at the best possible discounted prices online.
- Fast Delivery
Your orders are processed efficiently and delivered as promptly as possible.
Shipping & Return
Product Specifications
Brand Genuine General Motors Manufacturer Part Number 12548339 Part Description GEAR, Transmission Mainshaft Other Description Gear, Trans Mainshaft Overdrive Item Dimensions 3.4 x 3.1 x 3.2 inches Item Weight 1.90 Pounds Condition New Fitment Type Direct Replacement Manufacturer Genuine General Motors SKU 12548339 Warranty This genuine GM part is guaranteed by GM's factory warranty. For more information, please see our Warranty Page. Warning: California’s Proposition 65Vehicle Fitment
Show MoreYear Make Model Engine Important vehicle option details 2002-2005, 1999 Cadillac Escalade 8 Cyl 5.3L, 8 Cyl 5.7L, 8 Cyl 6.0L 1 TON CREW CAB, 3/4 TON, CREW CAB 1 TON, EXT 3/4 TON, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, K2500 CREW CAB, K3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON 2002-2005 Chevrolet Avalanche 8 Cyl 8.1L 3/4 TON 1994 Chevrolet Blazer 6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel 1/2 TON 1994-1998 Chevrolet C1500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX 1994-2000 Chevrolet C2500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L C2500 CREW CAB, C2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB 1994-2002 Chevrolet C3500 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L C3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5, C3500 CREW CAB LONG WHEELBASE, C3500 CREW CAB SHORT WHEELBASE, C3500 EXTENDED CAB, C3500 REGULAR CAB 1994-1998 Chevrolet K1500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel K1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX 1994-2000 Chevrolet K2500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L K2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB 1994-2000 Chevrolet K3500 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L K3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, K3500 CREW CAB LONG WHEELBASE, K3500 CREW CAB SHORT WHEELBASE, K3500 EXTENDED CAB, K3500 REGULAR CAB 1991-1999 Chevrolet P30 4 Cyl 3.9L Diesel, 6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L CHASSIS DELIVERY
Related Parts for 12548339
Axle Cover 12471607 Your Price: $8.56 
Bearing Asm, 1st Gear 12549371 Your Price: $28.05 
Bearing Asm, Overdrive Gear 12382813 Your Price: $35.63 
Cover, Power Take-Off 12547312 Your Price: $10.32 
SHAFT, Transmission Reverse Idler 12548476 Your Price: $21.52 
Strut, Trans 3rd&4Th Overdrive & Rev Synchronizer 15637285 Your Price: $2.41
OEM GM 12548339 at AutoPartsPrime, Your Right Choice
- The part number 12548339, Gear, Trans Mainshaft Overdrive, is designed to fit specific GM vehicles. Here, we provide you with parts specifications and vehicle fitment information for your convenience. This part fits specific Cadillac Escalade. It fits Chevrolet Blazer, Silverado, Tahoe. It also fits GMC Sierra, Suburban, Yukon. All OEM GM parts are manufactured by GM and guaranteed by GM's factory warranty. You can find diagrams here for your parts lookup.
- AutoPartsPrime is a fast-growing online store, and the online catalog we carry covers all your genuine automotive needs. From engine parts to body parts, we have a huge selection of GM parts. If you have friends who also own GM vehicles, don't forget to refer them to AutoPartsPrime. Also, if you have any questions or hesitation, let us help you.