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1978-87 Rear Differential - GM 10 Bolt with 8-1/2" Ring Gear

Kit components may vary from illustration depending on your truck's model.

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)

Product Details

AT = Automatic Transmission

Full Parts List

	Part	Description	Application	Required quantity	Price	Stock status	Qty
1978-87 STD Cab 1/2 Ton
1	34-2786	Axle Shaft-28 Spline	2 Wheel Drive 1/2 Ton 78-87	Required Quantity: (2)	$84.95	Availability: In stock	Qty: Qty:
	34-2787	Axle Shaft-28 Spline	4 Wheel Drive 1/2 Ton 78-87	Required Quantity: (2)	$90.95	Availability: In stock	Qty: Qty:
2	30-1614	Lock Clip-Axle	1/2 Ton 78-87	Required Quantity: (2)	$3.95	Availability: In stock	Qty: Qty:
3	34-0150	Seal	1/2 Ton 78-87	Required Quantity: (2)	$2.25	Availability: In stock	Qty: Qty:
4	34-0520	Wheel Bearing	1/2 Ton 78-87	Required Quantity: (2)	$9.95	Availability: In stock	Qty: Qty:
5	34-0452	Side Bearing	1/2 Ton 78-87	Required Quantity: (2)	$18.90	Availability: In stock	Qty: Qty:
6	30-1980	Case Magnet	1/2 Ton 84-87	Required Quantity: (1)	$13.95	Availability: In stock	Qty: Qty:
7	30-1969	Filler Plug	1/2 Ton 78-87	Required Quantity: (1)	$6.95	Availability: In stock	Qty: Qty:
8	32-9219	Differential Cover	1/2 Ton 78-87	Required Quantity: (1)	$26.95	Availability: In stock	Qty: Qty:
	38-1815	Differential Cover-Chrome	1/2 Ton 78-87	Required Quantity: (1)	$19.95	Availability: In stock	Qty: Qty:
9	30-4352	Cover Gasket	1/2 Ton 78-87	Required Quantity: (1)	$4.95	Availability: In stock	Qty: Qty:
10	30-0260	Bolt	1/2 Ton 78-87	Required Quantity: (10)	$0.95	Availability: In stock	Qty: Qty:
11	30-2543	Bolt Set-Cover-Chrome	1/2 Ton 78-87	Required Quantity: (1)	$7.95	Availability: In stock	Qty: Qty:
12	34-0554	Differential Master Kit	1/2 Ton 78-87	Required Quantity: (1)	$95.95	Availability: In stock	Qty: Qty:
13	34-0550	Differential Bearing Kit	1/2 Ton 78-87	Required Quantity: (1)	$69.95	Availability: In stock	Qty: Qty:
1978-87 STD Cab 1/2 Ton
14	34-5223	Differential Carrier "A"	1/2 Ton 78-87	Required Quantity: (1)	$134.95	Availability: In stock	Qty: Qty:
	"A" Fits models without positraction or limited slip differentials.
15	30-2919	CARRIER BEARING SHIM KIT	1/2 Ton 78-87	Required Quantity: (1)	$19.95	Availability: In stock	Qty: Qty:
16	30-0373	Ring Gear Bolt	1/2 Ton 78-87	Required Quantity: (12)	$1.95	Availability: In stock	Qty: Qty:
17	32-9081	Internal Kit-28 Spline "A"	1/2 Ton 78-87	Required Quantity: (1)	$95.95	Availability: In stock	Qty: Qty:
	"A" Fits models without positraction or limited slip differentials.
18	34-5165	Washer-Pinion Shaft "A"	1/2 Ton 78-87	Required Quantity: (2)	$2.95	Availability: In stock	Qty: Qty:
	"A" Fits models without positraction or limited slip differentials.
19	34-5175	Washer "A"	1/2 Ton 78-87	Required Quantity: (2)	$1.95	Availability: In stock	Qty: Qty:
	"A" Fits models without positraction or limited slip differentials.
20	34-5160	Pinion Shaft Lock Screw	1/2 Ton 78-87	Required Quantity: (1)	$3.25	Availability: In stock	Qty: Qty:
21	32-9028	Ring & Pinion 2.73	1/2 Ton 78-87	Required Quantity: (1)	$225.95	Availability: In stock	Qty: Qty:
	32-9029	Ring & Pinion 3.08	1/2 Ton 78-87	Required Quantity: (1)	$229.95	Availability: In stock	Qty: Qty:
	32-9030	Ring & Pinion 3.42	1/2 Ton 78-87	Required Quantity: (1)	$159.95	Availability: In stock	Qty: Qty:
	32-9031	Ring & Pinion 3.73	1/2 Ton 78-87	Required Quantity: (1)	$179.95	Availability: In stock	Qty: Qty:
	32-9032	Ring & Pinion 4.11	1/2 Ton 78-87	Required Quantity: (1)	$159.95	Availability: In stock	Qty: Qty:
22	34-0484	Rear Pinion Bearing	1/2 Ton 78-87	Required Quantity: (1)	$21.95	Availability: In stock	Qty: Qty:
23	30-2922	Spacer	1/2 Ton 78-87	Required Quantity: (1)	$2.45	Availability: In stock	Qty: Qty:
24	34-0462	Front Pinion Bearing	1/2 Ton 78-87	Required Quantity: (1)	$14.95	Availability: In stock	Qty: Qty:
25	34-0181	Pinion Bearing Oil Seal	1/2 Ton 78-87	Required Quantity: (1)	$6.95	Availability: In stock	Qty: Qty:
26	32-8050	Yoke	1/2 Ton 78-81	Required Quantity: (1)	$229.95	Availability: In stock	Qty: Qty:
	32-8051	Yoke "B"	1/2 Ton 82-87	Required Quantity: (1)	$89.95	Availability: In stock	Qty: Qty:
	"B" Yoke has tapered ends.
	32-8051	Yoke Automatic Transmission	1/2 Ton 87	Required Quantity: (1)	$89.95	Availability: In stock	Qty: Qty:
27	30-0605	Washer	1/2 Ton 78-87	Required Quantity: (1)	$5.95	Availability: In stock	Qty: Qty:
28	30-0793	Nut	1/2 Ton 78-87	Required Quantity: (1)	$3.25	Availability: In stock	Qty: Qty:

California Residents: Prop 65 Warning

Vehicle application

Includes Parts for the Following Models:

Chevy Models

C10 Pickup (1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987)
C20 Pickup (1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987)
Crew Cab (1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987)
K10 Pickup (1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987)
K20 Pickup (1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987)

GMC Models

C15 Pickup (1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987)
C25 Pickup (1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987)
K15 Pickup (1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987)
K25 Pickup (1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987)

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	Part	Description	Application	Required quantity	Price		Stock status	Qty

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