1977-87 Front Differential - GM 10 Bolt with 8-1/2" Ring Gear and 30 Spline Pinion

Drag illustration to view more parts
How to choose the correct Ring & Pinion: Each ring and pinion gear set sold below is for replacement use only. Gear ratio changes are possible as long as the ratio selected is within the range of ratios available for the carrier. See chart below for carrier/case breaks by differential model.
10 Bolt
Series 2 = 2.56 - down (smaller numerically)
Series 3 = 2.73 - up (larger numerically)
Full Parts List
Part # Description Application Reqd Price Stock Status QTY.
1977-87 STD Cab 1/2 Ton & 3/4 Ton
1 34-2675
Finish:
Plain
Material:
Steel
Finish:
Plain
Material:
Steel
Spindle Kit 4 Wheel Drive 77-87 2 $209.95 In Stock
QTY Required
2 34-0450
Material:
Steel
Material:
Steel
Axle Shaft Bearing-Outer 4 Wheel Drive 77-87 2 $9.95 In Stock
QTY Required
3 34-0185
Color:
Black
Material:
Rubber
Color:
Black
Material:
Rubber
Seal-Bearing 4 Wheel Drive 77-87 2 $5.25 Backordered
QTY Required
4 34-0149
Color:
Black
Material:
Rubber
Color:
Black
Material:
Rubber
Seal-Spindle 4 Wheel Drive 77-87 2 $3.95 In Stock
QTY Required
5 34-0190
Material:
Steel
Material:
Steel
Oil Deflector 4 Wheel Drive 77-87 2 $12.95 In Stock
QTY Required
6 34-2677
Spindle Lock Nut Kit 4 Wheel Drive 77-87 2 $29.95 In Stock
QTY Required
7 30-0781
Finish:
Zinc
Material:
Steel
Finish:
Zinc
Material:
Steel
Nut 4 Wheel Drive 77-78 12 $0.95 In Stock
QTY Required
8 30-0792
Finish:
Zinc
Material:
Steel
Finish:
Zinc
Material:
Steel
Nut 4 Wheel Drive 77-87 2 $0.35 In Stock
QTY Required
9 30-1131
Finish:
Plain
Material:
Steel
Finish:
Plain
Material:
Steel
Adaptor 4 Wheel Drive 77-87 3 $22.95 In Stock
QTY Required
10 30-0939
Finish:
Zinc
Material:
Steel
Finish:
Zinc
Material:
Steel
Torque Lock Nut 4 Wheel Drive 77-87 3 $0.95 In Stock
QTY Required
11 34-2772
Finish:
Plain
Material:
Steel
Finish:
Plain
Material:
Steel
Complete Axle Shaft-Left Hand 4 Wheel Drive 77-87 1 $279.95 In Stock
QTY Required
11 34-2773
Finish:
Plain
Material:
Steel
Finish:
Plain
Material:
Steel
Complete Axle Shaft-Right Hand 4 Wheel Drive 77-87 1 $149.95 In Stock
QTY Required
12 34-2920
Finish:
Plain
Material:
Steel
Finish:
Plain
Material:
Steel
Axle Shaft-Outer 4 Wheel Drive 77-87 2 $99.95 In Stock
QTY Required
13 34-1648
Material:
Steel
Material:
Steel
U-Joint 4 Wheel Drive 77-87 2 $9.95 In Stock
QTY Required
14 34-0141
Material:
Steel/Rubber
Material:
Steel/Rubber
Guide w/Seal 4 Wheel Drive 77-87 2 $6.95 In Stock
QTY Required
15 30-2921
Finish:
Plain
Material:
Steel
Finish:
Plain
Material:
Steel
Spacer 4 Wheel Drive 77-87 2 $7.95 In Stock
QTY Required
16 34-0452
Material:
Steel
Material:
Steel
Side Bearing 4 Wheel Drive 77-87 2 $19.95 In Stock
QTY Required
1977-87 STD Cab 1/2 Ton & 3/4 Ton
17 38-1811
Finish:
Chrome
Material:
Steel
Finish:
Chrome
Material:
Steel
Cover-Chrome 4 Wheel Drive 77-87 1 $12.95 In Stock
QTY Required
18 30-4392
Material:
Fiber
Material:
Fiber
Cover Gasket 4 Wheel Drive 77-87 1 $4.95 In Stock
QTY Required
19 30-0260
Finish:
Zinc
Material:
Steel
Finish:
Zinc
Material:
Steel
Bolt 4 Wheel Drive 77-87 10 $0.25 In Stock
QTY Required
20 30-2543
Finish:
Chrome
Material:
Steel
Finish:
Chrome
Material:
Steel
Bolt Set-Cover-Chrome 4 Wheel Drive 77-87 1 $7.95 In Stock
QTY Required
21 34-0564
Differential Master Kit 4 Wheel Drive 77-87 1 $109.95 Backordered
QTY Required
22 34-5223
Differential Carrier "A"
  • "A" Fits models without positraction or limited slip differentials.
4 Wheel Drive 77-87 1 Temporarily
Out Of Stock
No Backorders
  • "A" Fits models without positraction or limited slip differentials.
23 30-0373
Color:
Black
Finish:
Phosphate
Material:
Steel
Color:
Black
Finish:
Phosphate
Material:
Steel
Ring Gear Bolt 4 Wheel Drive 77-87 12 $1.45 In Stock
QTY Required
24 32-9081
Finish:
Machined
Material:
Steel
Finish:
Machined
Material:
Steel
Internal Kit "A"
  • "A" Fits models without positraction or limited slip differentials.
4 Wheel Drive 77-87 1 $94.95 Backordered
QTY Required
  • "A" Fits models without positraction or limited slip differentials.
25 34-5165
Finish:
Plain
Material:
Steel
Finish:
Plain
Material:
Steel
Washer-Pinion Shaft "A"
  • "A" Fits models without positraction or limited slip differentials.
4 Wheel Drive 77-87 2 $1.95 In Stock
QTY Required
  • "A" Fits models without positraction or limited slip differentials.
26 34-5175
Color:
Black
Finish:
Phosphate
Material:
Steel
Color:
Black
Finish:
Phosphate
Material:
Steel
Washer "A"
  • "A" Fits models without positraction or limited slip differentials.
4 Wheel Drive 77-87 2 $1.95 In Stock
QTY Required
  • "A" Fits models without positraction or limited slip differentials.
27 34-5160
Color:
Black
Finish:
Phosphate
Material:
Steel
Color:
Black
Finish:
Phosphate
Material:
Steel
Pinion Shaft Lock Screw 4 Wheel Drive 77-87 1 $2.95 In Stock
QTY Required
28 32-9028
Material:
Steel
Material:
Steel
Ring & Pinion 2.73 4 Wheel Drive 77-87 1 $184.95 In Stock
QTY Required
28 32-9029
Ring & Pinion 3.08 4 Wheel Drive 77-87 1 Temporarily
Out Of Stock
No Backorders
28 32-9030
Material:
Steel
Material:
Steel
Ring & Pinion 3.42 4 Wheel Drive 77-87 1 $179.95 In Stock
QTY Required
28 32-9031
Material:
Steel
Material:
Steel
Ring & Pinion 3.73 4 Wheel Drive 77-87 1 $189.95 In Stock
QTY Required
28 32-9032
Material:
Steel
Material:
Steel
Ring & Pinion 4.11 4 Wheel Drive 77-87 1 $179.95 In Stock
QTY Required
29 34-0484
Material:
Steel
Material:
Steel
Rear Pinion Bearing 4 Wheel Drive 77-87 1 $19.95 In Stock
QTY Required
30 30-2922
Color:
Black
Material:
Steel
Color:
Black
Material:
Steel
Spacer 4 Wheel Drive 77-87 1 $2.95 In Stock
QTY Required
31 34-0462
Material:
Steel
Material:
Steel
Front Pinion Bearing 4 Wheel Drive 77-87 1 $16.95 In Stock
QTY Required
32 34-0172
Material:
Steel/Rubber
Material:
Steel/Rubber
Oil Seal-Front Pinion Bearing 4 Wheel Drive 77-87 1 $8.95 In Stock
QTY Required
33 32-8050
Material:
Steel
Material:
Steel
Yoke 4 Wheel Drive 77-87 1 $159.95 In Stock
QTY Required
34 30-0605
Finish:
Plain
Material:
Steel
Finish:
Plain
Material:
Steel
Washer 4 Wheel Drive 77-87 1 $7.95 In Stock
QTY Required
35 30-0793
Color:
Black
Finish:
Phosphate
Material:
Steel
Color:
Black
Finish:
Phosphate
Material:
Steel
Nut 4 Wheel Drive 77-87 1 $2.95 In Stock
QTY Required
Close
Part # Description Application Reqd Price Stock Status QTY.

Vehicle Application

Includes Parts for the Following Models:

1977 Chevy K10 Pickup 1978 Chevy K10 Pickup 1979 Chevy K10 Pickup 1980 Chevy K10 Pickup 1981 Chevy K10 Pickup 1982 Chevy K10 Pickup 1983 Chevy K10 Pickup 1984 Chevy K10 Pickup 1985 Chevy K10 Pickup 1986 Chevy K10 Pickup 1987 Chevy K10 Pickup 1977 Chevy K20 Pickup 1978 Chevy K20 Pickup 1979 Chevy K20 Pickup 1980 Chevy K20 Pickup 1981 Chevy K20 Pickup 1982 Chevy K20 Pickup 1983 Chevy K20 Pickup 1984 Chevy K20 Pickup 1985 Chevy K20 Pickup 1986 Chevy K20 Pickup 1987 Chevy K20 Pickup 1977 GMC K15 Pickup 1978 GMC K15 Pickup 1979 GMC K15 Pickup 1980 GMC K15 Pickup 1981 GMC K15 Pickup 1982 GMC K15 Pickup 1983 GMC K15 Pickup 1984 GMC K15 Pickup 1985 GMC K15 Pickup 1986 GMC K15 Pickup 1987 GMC K15 Pickup 1977 GMC K25 Pickup 1978 GMC K25 Pickup 1979 GMC K25 Pickup 1980 GMC K25 Pickup 1981 GMC K25 Pickup 1982 GMC K25 Pickup 1983 GMC K25 Pickup 1984 GMC K25 Pickup 1985 GMC K25 Pickup 1986 GMC K25 Pickup 1987 GMC K25 Pickup

Choose Your Vehicle