Eaton GM 8.875in Car Master Installation Kit

SKU: EATK-GM12CR

Ring and Pinion Gear Installation Kits

EAT Differential Install Kit...

Eaton

Eaton GM 8.875in Car Master Installation Kit

SKU: EATK-GM12CR

Ring and Pinion Gear Installation Kits

EAT Differential Install Kit...

LAST ONE! Est Ship 3-5 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.

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Description

Eaton master installation kits make upgrading your differential easier by providing all the components needed to properly install your Eaton differential or replace your ring and pinion, in one box. Premium bearings and components ensure long life and quiet operation.

Part Type

Ring and Pinion Gear Installation Kits

Data: v4.2 - Upd: 2026-10-13 20:42:27

Features

Eaton only uses premium bearings
Fits 1964 - 1972 applications
For Eaton: 187C197A; 187S196A; 913A555; 914A576; 914A575
For Eaton: 19554-010; 19555-010
Includes all necessary components to complete installation
Rear
Reference Eatons application guide to confirm part fitment

Specifications

Product Attributes - Brand: EATON
Product Attributes - Notes: For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.
Product Attributes - Quantity: Sold as a kit.
Product Attributes - Part Type: Ring and Pinion Gear Installation Kits
Product Attributes - Cover Bolts: 12
Product Attributes - Product Line: Eaton Master Differential Installation Kits
Product Attributes - Ring Gear Bolts: 12
Product Attributes - Ring Gear Rotation: Standard
Product Attributes - Axle Seals Included: No
Product Attributes - Pinion Nut Included: Yes
Product Attributes - Pinion Spline Count: 30
Product Attributes - Pinion Seal Included: Yes
Product Attributes - Cover Gasket Included: Yes
Product Attributes - Crush Sleeve Included: Yes
Product Attributes - Head Bearing Included: Yes
Product Attributes - Pinion Shims Included: Yes
Product Attributes - Tail Bearing Included: Yes
Product Attributes - Axle Bearings Included: No
Product Attributes - Carrier Shims Included: Yes
Product Attributes - Ring Gear Bolts Included: Yes
Product Attributes - Carrier Bearings Included: Yes
Product Attributes - Manufacturer's Part Number: K-GM12CR
Product Attributes - Differential Case Design Type: GM 8.875 in. (12-bolt), passenger car

Reference Information

Brand Name/s	Eaton
StreetFX SKU	eatK-GM12CR
SFX Item ID	4500460
Supplier Item Code	4500460
Manufacturer SKU	K-GM12CR
Manufacturer UPC	N/A
Alternative References	etn-k-gm12cr, 8.875in

Brochures

Primary brochure

Compatibility

Application Data

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1971
Ending Year	1972
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	ELECTRA
Submodel	225
Beginning Year	1968
Ending Year	1972
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	ELECTRA
Submodel	225 CUSTOM
Beginning Year	1968
Ending Year	1972
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	ELECTRA
Submodel	BASE
Beginning Year	1964
Ending Year	1967
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	ELECTRA
Submodel	CUSTOM
Beginning Year	1966
Ending Year	1967
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	ESTATE WAGON
Submodel	BASE
Beginning Year	1964
Ending Year	1964
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	ESTATE WAGON
Submodel	BASE
Beginning Year	1970
Ending Year	1972
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	GRAN SPORT
Submodel	BASE
Beginning Year	1965
Ending Year	1967
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	GS 350
Submodel	BASE
Beginning Year	1968
Ending Year	1969
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	GS 400
Submodel	BASE
Beginning Year	1968
Ending Year	1969
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	GS 455
Submodel	BASE
Beginning Year	1970
Ending Year	1972
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	GS 455
Submodel	GSX
Beginning Year	1970
Ending Year	1970
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make BUICK
Model GS
Submodel BASE
Beginning Year 1970
Ending Year 1972
Axle Location Rear
Application Notes For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	LESABRE
Submodel	BASE
Beginning Year	1964
Ending Year	1972
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	LESABRE
Submodel	CUSTOM
Beginning Year	1965
Ending Year	1972
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	RIVIERA
Submodel	BASE
Beginning Year	1964
Ending Year	1972
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	RIVIERA
Submodel	GRAN SPORT
Beginning Year	1965
Ending Year	1966
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	RIVIERA
Submodel	GRAN SPORT
Beginning Year	1971
Ending Year	1971
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	SKYLARK
Submodel	350
Beginning Year	1970
Ending Year	1970
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	SKYLARK
Submodel	350
Beginning Year	1972
Ending Year	1972
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	SKYLARK
Submodel	BASE
Beginning Year	1964
Ending Year	1972
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	SKYLARK
Submodel	CUSTOM
Beginning Year	1968
Ending Year	1972
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	SPECIAL
Submodel	BASE
Beginning Year	1964
Ending Year	1969
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	SPECIAL
Submodel	DELUXE
Beginning Year	1964
Ending Year	1967
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.

Make	BUICK
Model	SPORTWAGON
Submodel	BASE
Beginning Year	1964
Ending Year	1972
Axle Location	Rear
Application Notes	For use with Eaton part numbers 187C197A, 187S196A, 913A555, 915A576, 914A575, 19554-010, and 19555-010.