Differential Repair and Installation Kits from Sierra Gear and Axle are the most complete in the industry. We assemble each kit using only the highest quality components. Each of our kits are designed to ensure a trouble-free installation and long lasting performance. Several different kits are available for each application, each tailored for the type of differential repair being performed. Whether you’re doing a complete differential repair, differential gear ratio change, budget rebuild or pinion bearing replacement, we have got the ideal kit for you.

Differential Repair & Installation Kits
AMC	Master Kit	Bearing Kit	Pinion Kit	Mini Kit
MODEL 20	IK M20	BK M20	PK M20	MK M20
MODEL 35	IK M35	BK M35	PK M35	MK M35
CHRYSLER	Master Kit	Bearing Kit	Pinion Kit	Mini Kit
7.25″	IK C7.25	BK C7.25	PK C7.25	MK C7.25
8″ Front		BK C8
8″ Front		BK C8B
8.25″ ’70-’75	IK C8.25	BK C8.25	PK C8.25	MK C8.25
8.25″ ’76 & Up	IK C8.25B	BK C8.25B	PK C8.25B	MK C8.25
8.75″ 41 Case 2 Pinion	IK C8.75	BK C8.75
8.75″ 42 Case 2 Pinion	IK C8.75B	BK C8.75B	PKC8.75B
8.75″ 89 Case 2 Pinion	IK C8.75C	BK C8.75C	PK C8.75C
8.75″ 41 Case 4 Pinion	IK C8.75D	BK C8.75D
8.75″ 42 Case 4 Pinion	IK C8.75E	BK C8.75E
8.75″ 89 Case 4 Pinion	IK C8.75F	BK C8.75F
9.25″	IK C9.25	BKC9.25	PK C9.25	MK C9.25
9.25″ Front		BK C9.25F
10.5″		BK C10.5
11.5″	IK C11.5	BK A11.5		MK C11.5
FORD	Master Kit	Bearing Kit	Pinion Kit	Mini Kit
7.5″	IK F7.5	BK F7.5	PK F7.5	MK F7.5
8″	IK F8	BK F8	PK F8	MK F8
8″ IRS		BK F8IRS
8.8″	IK F8.8	BK F8.8	PK F8.8	MK F8.8
9″ ’70 & Up	IK F9	BK F9	PK F9	MK F9
9″ ’69 & Down 28 Spline	IK F9B	BK F9B	PK F9	MK F9
9″ ’69 & Down 31 Spline	IK F9C	BK F9C	PK F9	MK F9
9″ 31 Spline Big Pinion	IK F9BRC
9″ 35 Spline Big Pinion	IK F9BRD
9″ Daytona LM102910	IK F9HDA	BK F9HDA
9″ Daytona LM501310	IK F9HDB	BK F9HDB
9″ Daytona LM603011	IK F9HDC	BK F9HDC
9″ Daytona LM104911	IK F9HDD	BK F9HDD
9.75″	IK F9.75	BK F9.75	PK F9.75	MK F9.75
9.75″ 2000 & Up	IK F9.75B	BK F9.75B	PK F9.75B	MK F9.75B
10.25″	IK F10.25	BK F10.25	PK F10.25	MK F10.25
10.5″	IK F10.5	BK F10.5	PK F10.5	MK F10.5
DANA	Master Kit	Bearing Kit	Pinion Kit	Mini Kit
27	IK D27	BK D27	PK D27	MK D27
28	IK D28	BK D28	PK D28	MK D28
30 Front	IK D30F	BK D30F	PK D30F	MK D30F
30 Rear	IK D30R	BK D30R	PK D30R	MK D30R
30 TJ 97-00	IK D30TJ	BK D30F-B		MK D30TJ
30 TJ 01 & Up	IK D30TJ-B	BK D30TJ-B	PKD30TJ-B	MK D30TJ-B
30 WJ ’99 & Up	IK D30WJ	BK D30WJ
30 ZJ ’92-’96	IK D30ZJ	BK D30F-B	PK D30ZJ	MK D30ZJ
Explorer ’01 & Up		BK D30F-C
D30 JK Non Rubicon Front	IK D30JK-F	BK D30JK-F	PK D30JK-F	MK D30JK-F
D30 KJ Liberty	IK D30KJ	BK D30KJ	PK D30KJ	MK D30KJ
Model 35	IK M35	BK M35	PK M35	MK M35
Model 35 ’99 & Up WJ	IK M35WJ	BK M35		MK M35WJ
36 ICA	IK D36ICA	BK D36ICA	PK D36ICA
44	IK D44	BK D44	PK D44	MK D44
44 Dodge 94 & Up	IK D44D	BK D44D		MK D44D
44 19 Spline	IK D44-19	BK D44-19	PK D44-19
44 Isuzu Rodeo 98-04	IK D44I	BK D44I	PK D44I	MK D44I
44 ICA	IK D44ICA	BK D44ICA	PK D44ICA
44 ICA HD	IK D44ICA-HD	BK D44ICA-HD	PK D44ICA-HD
44 Salisbury OEM R&P		BK D44JAG
44 Dana R&P		BK D44JAG-B
44 JK Non Rubicon	IK D44JK	BK D44JK	PK D44JK	MK D44JK
44 JK Rubicon Rear	IK D44JKR	BK D44JKR	PK D44JKR	MK D44JKR
44 JK Rubicon Front	IK D44JKR-F	BK D44JKR-F	PK D44JKR-F	MK D44JKR-F
44 Rubicon TJ 03-06	IK D44RUB	BK D44RUB	PK D44RUB	MK D44RUB
44 Nissan Titan Rear		BK D44T
44 Nissan Titan Front		BK D44T-F
44 WJ 99-00	IK D44WJ	BK D44WJ	PK D44WJ	MK D44WJ
44 WJ 01 & Up	IK D44WJ-B	BK D44WJ-B	PK D44WJ-B	MK D44WJ-B
44 ZJ 96-98	IK D44ZJ	BK D44ZJ	PK D44ZJ	MK D44ZJ
50	IK D50	BK D50	PK D50	MK D50
50 01 & Up	IK D50B	BK D50B	PK D50B	MK D50B
60	IK D60	BK D60	PK D60	MK D60
60 00 & Up Ford, 04 Dodge	IK D60B	BK D60B	PK D60B	MK D60B
60 Ford Rear 01 & Up	IK D60C	BK D60C	PK D60C	MK D60C
70	IK D70	BK D70	PK D70	MK D70
70 HD	IK D70HD	BK D70HD	PK D70HD
70 U	IK D70U	BK D70U	PK D70U
70U Ford 02 & Up	IK D70U-B	BK D70U-B	PK D70U-B	MKD70U-B
80	IK D80	BK D80	PK D80	MK D80
80 ’98.5 & Up	IK D80B	BK D80B	PK D80B
80 Dodge 01-02	IK D80C	BK D80C
GM	Master Kit	Bearing Kit	Pinion Kit	Mini Kit
55 Chevy	IK GM55	BK GM55	PK GM55	MK GM55
63-79 Corvette	IK VET	BK VET	PK VET	MK VET
Corvette Getrag		BK VETGR
7.25″ IFS	IK GM7.25	BK GM7.25	PK GM7.25	MK GM7.25
7.5″ ’82 & Up	IK GM7.5	BK GM7.5	PK GM7.5	MK GM7.5
7.5″ ’81 & Down	IK GM7.5E	BK GM7.5E	PK GM7.5E	MK GM7.5
7.6″ ’00 & Up	IK GM7.6	BK GM7.6	PK GM7.6	MK GM7.6
7.75″ Borg Warner	IK GM7.75	BK GM7.75	PK GM7.75
8″	IK GM8	BK GM8
8.2″	IK GM8.2	BK GM8.2	PK GM8.2	MK GM8.2
8.2″ Buick/Olds/Pontiac	IK BP8.2	BK BP8.2	PK BP8.2	MK BP8.2
8.25″ IFS	IK GM8.25	BK GM8.25	PK GM8.25	MK GM8.25
8.5″	IK GM8.5	BK GM8.5	PK GM8.5	MK GM8.5
8.5″ Eaton, Detroit, AG Pro	IK GM8.5E	BK GM8.5E		MK GM8.5
8.5″ Front	IK GM8.5F	BK GM8.5F	PK GM8.5F	MK GM8.5F
8.5 BOP	IK BP8.5	BK BP8.5	PK BP8.5
8.6″ ’96-99	IK GM8.6	BK GM8.6	PK GM8.6	MK GM8.6
8.6″ ’99 & Up	IK GM8.6B	BK GM8.6B		MK GM8.6B
8.6″ Eat, Det, AG Pro 96-99	IK GM8.6E	BK GM8.6E
8.75″ 12B R/G 10B Cover	IK GM8.75	BK GM8.75
8.875″ 10 Bolt	IK GM8.875	BK GM8.875
12 Bolt Passenger	IK GM12P	BK GM12P	PK GM12P	MK GM12P
12 Bolt Truck	IK GM12T	BK GM12T	PK GM12T	MK GM12T
9.25″ IFS	IK GM9.25	BK GM9.25		MK GM9.25
9.5″	IK GM9.5	BK GM9.5	PK GM9.5	MK GM9.5
9.5″ ’96 & Up	IK GM9.5B	BK GM9.5B	PK GM9.5B	MK GM9.5B
10.5″ ’88 & Down	IK GM10.5	BK GM10.5	PK GM10.5	MK GM10.5
10.5″ ’88-96 & Up	IK GM10.5B	BK GM10.5B	PK GM10.5B	MK GM10.5B
10.5″ ’96 & Up	IK GM10.5C	BK GM10.5C	PK GM10.5C	MK GM10.5C
11.5″	IK GM11.5	BK A11.5
HO72 w/o Load Bolt	IK GMHO72	BK GMHO72	PK GMHO72
HO72 w/ Load Bolt	IK GMHO72B	BK GMHO72B	PK GMHO72B
TOYOTA	Master Kit	Bearing Kit	Pinion Kit	Mini Kit
Celica	IK TOYCELICA			MK TOYCELICA
Landcruiser	IK TOYLC	BK TOYLC	PK TOYLC	MK TOYLC
Landcruiser ’90 & Up	IK TOYLC-B	BK TOYLC-B
V6 & Turbo	IK TOYV6	BK TOYV6	PK TOYV6	MK TOYV6
7.5″ Rear & IFS Basic	IK TOY7.5	BK TOY7.5	PK TOY7.5	MK TOY7.5
7.5″ IFS 4-’88 & Up	IK TOY7.5B	BK TOY7.5B
8″ ’85 & Down & Aftermkt.	IK TOY7.8	BK TOY7.8	PK TOY7.8	MK TOY7.8
8″ ’86 & Up	IK TOY7.8B	BK TOY7.8B	PK TOY7.8B	MK TOY7.8
Tacoma w/o Locker		BK TOYTAC
Tacoma w/ Locker	IK TOYTAC-L	BK TOYTAC-L
IMPORTS	Master Kit	Bearing Kit	Pinion Kit	Mini Kit
Isuzu Trooper	IK ISUZU	BK ISUZU	PK ISUZU	MK ISUZU
Suzuki Samurai	IK SUZUKI	BK SUZUKI	PK SUZUKI	MK SUZUKI

 

Axle Install Kits/ Axle Bearing & Seal Kits
Application:	Sierra Gear Part #
Astro Van	AK ASTRO
8.5″ GM ’88> 2.8″ OD Axle Kit	AK C10
11.5” Chrysler Dually Full Float	AK C11.5
11.5” Chrysler Single Full Float	AK C11.5B
Dana 36 Corvette ’84-’96	AK D36
Dana 44 Front ’60-’77 GM, ’59-’96 Ford, ’69-’94 Dodge	AK D44F
Dana 44 Front Ford ’77-’79 ¾ Ton 8-Lug	AK D44F-B
Dana 44 Front ¾ Ton ’60-’77 GM, ’59-’77 Ford	AK D44F-C
Dana 44 Corvette ’80-’82	AK D44ICA
Dana 44 Corvette ’84-’96 Std.	AK D44ICA-HD
Dana 44 Jeep JK / Nissan Titan	AK D44JK
Dana 60 Front Hub Bearing Kit	AK D60
Dana 60-80 Ford, Dana 80 F350 ’99-‘08	AK D60F-FF
Dana 60 Chrysler Van ’77-’02, Ford Van – ’68-‘79	AK D60FD-FF
Dana 60 GM ’65-’72 Rear	AK D60GM-FF
Dana 60 Front Hub Rebuild Kit	AK D60HK
Dana 60, Dana 70 Dana 80 Chrysler ’74-’02 28682	AK D70D-FF
Dana 60, Dana 70 Dana 80 Chrysler ’74-’02 45291	AK D70D-FF-B
Dana 80 Ford F450 ’88-‘91	AK D80
Dana 80 Ford F450 ’92-‘98	AK D80B
Dana 80 Ford F450 ’99-‘08	AK D80C
10.25” Ford Full Float, Dana 80 F350 ’86-‘98	AK F10.25FF
10.5” Ford Full Float	AK F10.5
1561 Chrysler/Ford	AK F1561
8.8 Ford IFS	AK F8.8F
8”, 8.8” Ford IRS Car	AK F8.8R-C
8.8”, 9.75” Ford IRS Truck	AK F8.8R-T
10.5” Dana 60 / Dana 70  ‘73> Full Float	AK GM10.5
11.5”, 10.5” GM Full Float Disc	AK GM11.5
9.5” GM R1561 TV	AK GM1561
7.25” GM ’83-’94 Right or Left, ‘95-‘96 Left	AK GM7.25
7.25” GM ‘95-‘96 Right	AK GM7.25B
7.25” GM ‘97> Left – 1.50”	AK GM7.25C
7.25” GM ‘97> Right All	AK GM7.25D
7.25” GM ‘97> Left – 1.85”	AK GM7.25E
7.25” GM ‘01> Pan Mount Right	AK GM7.25F
7.25” GM ‘01> Pan Mount Left	AK GM7.25G
8.25” GM ‘97< Left	AK GM8.25
8.25” GM ‘97< Right	AK GM8.25B
8.25” GM ‘97> Left	AK GM8.25C
8.25” GM Late ‘97 Right	AK GM8.25D
8.25” GM ‘98> Right	AK GM8.25E
8.5” GM ’77-’88, Dana 44 ‘77-‘79 8-Lug	AK GM8.5F
9.25 GM ‘97< Left	AK GM9.25
9.25 GM ‘97< Right	AK GM9.25B
9.25 GM ‘98> Left	AK GM9.25C
9.25 GM ‘98> Right	AK GM9.25D
Model 35 ‘90>, Dana 44 Jeep ZJ ’96-’98 C-Clip	AK M35
Dana 44 Axle Bearing & 9912 Outer Seal	AK SET10
Model 35 Axle Bearing & 2146 Outer Seal	AK SET9
Toyota ’69-’00 Non-ABS Rear	AK TOY
Toyota ’76-’85, ’76-’97 Landcruiser	AK TOY-F
Toyota ’86-’98 Truck Only Front	AK TOY-F-B
Corvette ’63-‘79	AK VET
Model 35, Dana 44 WJ Bolt-In Axle Kit	AK WJ
1563 5707 2.20” O.D. Axle Kit	AK 5707
1559 6408 2.5” O.D. Axle Kit	AK 6408
Durango ‘04>, ½ Ton ‘07>	AK 6410

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Guide to Differential Repair, Rebuild and Installation Kit Contents:

Sierra Gear differential rebuild kits are typically assembled with OEM Components, including Timken or Koyo Bearings and National or Spicer Seals

Master Rebuild Kit (IK) – Our most complete Differential Rebuild Kit.

• Pinion and Carrier Bearings
• Pinion Seal
• Pinion Shims (where applicable)
• Pinion Nut
• Crush Sleeve or Depth Shims (where applicable)
• Ring Gear Bolts (most applications)
• O-Ring (where applicable)
• Gear Marking Compound & Brush
• Loctite
• Cover Gasket or Silicone
• Carrier Super Shims (where applicable)
• Slingers & Baffle (where applicable)
• Installation Instructions

Bearing Rebuild Kit (BK) – Rebuild kit for installers that already have shims and small parts.

• Pinion and Carrier Bearings
• Pinion Seal
• O-Ring (where applicable)
• Pinion Nut
• Crush Sleeve or Depth Shims (where applicable)

Pinion Rebuild Kit (PK) – Ideal for low mileage ring & pinion gear ratio changes with no carrier change.

• Pinion Bearings
• Pinion Seal
• Pinion Shims (where applicable)
• Crush Sleeve or Depth Shims (where applicable)
• O-Ring (where applicable)
• Gear Marking Compound & Brush

Mini Rebuild Kit (MK) – For low mileage vehicles doing ring & pinion gear ratio changes.

• Pinion Seal
• Pinion Shims (where applicable)
• Crush Sleeve or Depth Shims (where applicable)
• Ring Gear Bolts (most applications)
• O-Ring (where applicable)
• Gear Marking Compound & Brush
• Loctite
• Carrier Super Shims (where applicable)
• Installation Instructions

Axle Kit (AK) – Axle Bearing/Wheel Bearing and Seal Kits

• Axle Bearings
• Axle Seals
• Bearing Retainers (where applicable)