GM 12 Bolt Truck; 30 Spline; 2.73 - 3.42 Ratio~Yukon Dura Grip Positraction; GM 12 Bolt Truck; 30 Spline; Fits 2.73 - 3.42 Ratio or Thick Gears
30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; Rear 8.5 in./8.6 in. For Axles w/Small bearing Bores Race O.D. 2.89 in. LM102949/LM102911 Req.~Axles w/Large Bearing Bores Race O.D. 3.06 in. LM603049/LM603012 Req.
28 Spline; 1.20 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; 8.5 in. For Axles w/Small bearing Bores Race O.D. 2.89 in. LM102949/LM102911 Req.~Axles w/Large Bearing Bores Race O.D. 3.06 in. LM603049/LM603012 Req.
12 Bolt GM; 30 Spline; 3.73 And Up GM 12 Bolt Truck; 30 Spline; 3.73 And Up~Yukon Dura Grip Positraction; GM 12 Bolt Truck; 30 Spline; 3.73 And Up
30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Rng Gear Pin. Rat;Manual Locking Hubs Are Recomnd For Some Appl.; 8.5 in./8.6 in. For Axles w/Small bearing Bores Race O.D. 2.89 in. LM102949/LM102911 Req.~Axles w/Large Bearing Bores Race O.D. 3.06 in. LM603049/LM603012 Req.~Manual Locking Hubs Recommended For Front Axle Applications
28 Spline; 1.20 in. Axle Shaft Diameter; 2.73 And Up Rng Gear Pin Rat; Manual Locking Hubs Are Recomded For Some Application; 8.5 in. For Axles w/Small bearing Bores Race O.D. 2.89 in. LM102949/LM102911 Req.~Axles w/Large Bearing Bores Race O.D. 3.06 in. LM603049/LM603012 Req.
33 Spline; 1.37 in. Axle Shaft Diameter; 9.5 in.
Fits 3.73 Gear Ratio And Up; 4320 Chromoly Spider Gears
Fits 2.76-3.42 Gear Ratio; 4320 Chromoly Spider Gears
28 Spline; 2.73 And Up GM 8.5 in.; 28 Spline; 2.73 And Up~Yukon Dura Grip Positraction / Limited Slip; GM 8.5 in. Rear; 28 Spline; 2.73 And Up; 1.781 in. Bearing Journal
8.6 in. 10 Bolt; 30 Spline; 2.73 And Up GM 8.5 in.; 30 Spline; 2.73 And Up~Yukon Dura Grip Positraction / Limited Slip; GM 8.5 in. Rear; 30 Spline; 2.73 And Up; 1.781 in. Bearing Journal
9.5 in. 14 Bolt; 33 Spline Axles GM 9.5 in.; 14 bolt cover; 33 Spline Axles~Yukon Dura Grip Positraction; GM 9.5 in. Rear; 14 bolt cover; 33 Spline
30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; Rear 8.5 in.; Rear 8.6 in. For Axles w/Small bearing Bores Race O.D. 2.89 in. LM102949/LM102911 Req.~Axles w/Large Bearing Bores Race O.D. 3.06 in. LM603049/LM603012 Req.
2.73 Gear Ratio And Up GM 8.5 in.; 2.73 Gear Ratio And Up~GM 8.5 in.; Yukon Grizzly Locker; 2.73 Gear Ratio And Up; 1.78 in. Bearing Journals; Uses LM102949/ LM102911 Carrier Bearings
30 Spline; 1.30 in. Axle Shaft Diameter; 3.73 And Up Ring Gear Pinion Ratio; Rear 8.875 in.
28 Spline; 1.20 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; 8.5 in.
33 Spline; 1.37 in. Axle Shaft Diameter; Rear 9.5 in.; All Ratios
Axle: GM semi float 14B 9.5" Shaft: 1.37" Spline: 33 Ratio: 3.23 and up Confirm axle is 9.25" not 8.5"/8.6" GM 10 bolt
30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; 8.5 in./8.6 in. For Axles w/Small bearing Bores Race O.D. 2.89 in. LM102949/LM102911 Req.~Axles w/Large Bearing Bores Race O.D. 3.06 in. LM603049/LM603012 Req.
Selectable Full Locker w/Limited Slip; For Use w/2.76-3.42 Ratio; 3 Series Case; 30 Spline 8.875 in. (12 Bolt)
Selectable Full Locker w/Limited Slip; For Use w/3.73-Up Ratio; 4 Series Case; 30 Spline 8.875 in. (12 Bolt)
Browse our selection of quality differential parts designed specifically for your GMC C1500. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · Heavy Half · High Sierra · Sierra · Sierra Classic · Sierra GT · Sierra Grande · Sierra SL · Sierra SLE · Sierra SLT · Sierra SLX · Sierra Special · Street Coupe
Cab & Chassis · Extended Cab Pickup · Standard Cab Pickup
L6 4.1L · L6 4.8L · V6 4.3L · V8 5.0L · V8 5.7L · V8 6.2L · V8 6.5L · V8 6.6L · V8 7.4L
Automatic · Manual