Home / Shop / Richmond Gear Ring and Pinion Sets 49-0113-1 GM 8.875 in. (12-bolt) passenger car 3.42 Gears Gear, Pinion, 3.42:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Richmond Gear Ring and Pinion Sets 49-0113-1 GM 8.875 in. (12-bolt) passenger car 3.42 Gears Gear, Pinion, 3.42:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

SKU: RMG4901131

Ring and Pinion Gears

Richmond Gear

Richmond Gear Ring and Pinion Sets 49-0113-1 GM 8.875 in. (12-bolt) passenger car 3.42 Gears Gear, Pinion, 3.42:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

SKU: RMG4901131

Ring and Pinion Gears

LAST ONE! Est Ship 4-7 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.

We accept

Description

Richmond Gear is the leading manufacturer of professional-quality, high performance ring and pinion sets. The superior quality of these gear sets is the result of years of racing development, outstanding design, and state-of-the-art manufacturing methods. Richmond also offers these gear sets in a lightened version for the weight-conscious enthusiast. Their lightened ring and pinion sets feature an outstanding rotating weight loss of up to 6 lbs., ground pinion threads for trouble-free installation, and a special heat treatment for improved strength.

Part Type

3.42 12 Bolt GM Pass

Data: v4.2 - Upd: 2026-09-29 18:48:24

Specifications

Product Attributes - Brand: Richmond Gear
Product Attributes - Manufacturer's Part Number: 49-0113-1
Product Attributes - Part Type: Ring and Pinion Gears
Product Attributes - Product Line: Richmond Gear Ring and Pinion Sets
Product Attributes - UPC: 698231676011
Product Attributes - Differential Case Design Type: GM 8.875 in. (12-bolt), passenger car
Product Attributes - Ring and Pinion Ratio: 3.42:1
Product Attributes - Cover Bolts: 12
Product Attributes - Ring Gear Bolts: 12
Product Attributes - Pinion Spline Count: 30
Product Attributes - Carrier Series: 3
Product Attributes - Ring Gear Rotation: Standard
Product Attributes - Ring Gear Teeth: 41
Product Attributes - Pinion Gear Teeth: 12
Product Attributes - Ring Gear Diameter (in.): 8.875 in.
Product Attributes - Pinion Shaft Diameter (in.): 1.625 in.
Product Attributes - Installation Kit Included: No
Product Attributes - Cover Gasket Included: No
Product Attributes - Pinion Shims Included: No
Product Attributes - Carrier Shims Included: No
Product Attributes - Crush Sleeve Included: No
Product Attributes - Pinion Seal Included: No
Product Attributes - Pinion Nut Included: No
Product Attributes - Ring Gear Bolts Included: No
Product Attributes - Head Bearing Included: No
Product Attributes - Tail Bearing Included: No
Product Attributes - Carrier Bearings Included: No
Product Attributes - Axle Seals Included: No
Product Attributes - Axle Bearings Included: No
Product Attributes - Differential Cover Included: No
Product Attributes - Differential Oil Included: No
Product Attributes - Friction Modifier Included: No
Product Attributes - Installation DVD Included: No
Product Attributes - Quantity: Sold as a set.
Product Attributes - Special Attention: Only fits 3.07:1 to 3.90:1 carrier.

Reference Information

Brand Name/s	Richmond Gear
StreetFX SKU	rmg4901131
SFX Item ID	5500880
Supplier Item Code	5500880
Manufacturer SKU	4901131
Manufacturer UPC	698231676011
Alternative References	RIC49-0113-1, 12-Bolt

Compatibility

Application Data

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1971
Ending Year	1971
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1971
Ending Year	1971
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1971
Ending Year	1971
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1971
Ending Year	1972
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Engine VIN Code	U
Region	USA

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1972
Ending Year	1972
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Engine VIN Code	T
Region	USA

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1972
Ending Year	1972
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Engine VIN Code	V
Region	USA

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1972
Ending Year	1972
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Engine VIN Code	W
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225
Beginning Year	1968
Ending Year	1968
Engine Type	V8
Engine Size	7.0L/430
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.0
CID	430
CC	7047
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225
Beginning Year	1969
Ending Year	1969
Engine Type	V8
Engine Size	7.0L/430
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.0
CID	430
CC	7047
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225
Beginning Year	1970
Ending Year	1970
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225
Beginning Year	1970
Ending Year	1970
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225
Beginning Year	1970
Ending Year	1970
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225
Beginning Year	1971
Ending Year	1971
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225
Beginning Year	1971
Ending Year	1971
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225
Beginning Year	1971
Ending Year	1971
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225
Beginning Year	1971
Ending Year	1972
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Engine VIN Code	U
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225
Beginning Year	1972
Ending Year	1972
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Engine VIN Code	T
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225
Beginning Year	1972
Ending Year	1972
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Engine VIN Code	V
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225
Beginning Year	1972
Ending Year	1972
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Engine VIN Code	W
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225 CUSTOM
Beginning Year	1968
Ending Year	1968
Engine Type	V8
Engine Size	7.0L/430
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.0
CID	430
CC	7047
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225 CUSTOM
Beginning Year	1969
Ending Year	1969
Engine Type	V8
Engine Size	7.0L/430
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.0
CID	430
CC	7047
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225 CUSTOM
Beginning Year	1970
Ending Year	1970
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225 CUSTOM
Beginning Year	1970
Ending Year	1970
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225 CUSTOM
Beginning Year	1970
Ending Year	1970
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

Make	BUICK
Model	ELECTRA
Submodel	225 CUSTOM
Beginning Year	1971
Ending Year	1971
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier
Region	USA

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Richmond Gear Ring and Pinion Sets 49-0113-1 GM 8.875 in. (12-bolt) passenger car 3.42 Gears Gear, Pinion, 3.42:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Richmond Gear Ring and Pinion Sets 49-0113-1 GM 8.875 in. (12-bolt) passenger car 3.42 Gears Gear, Pinion, 3.42:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Description

Part Type

Specifications

Reference Information

Compatibility

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