Home / Shop / Richmond Gear Ring and Pinion Sets 49-0045-1 GM 7.5/7.625 in. 3.42 Gears Gear, Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Richmond Gear Ring and Pinion Sets 49-0045-1 GM 7.5/7.625 in. 3.42 Gears Gear, Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

SKU: RMG4900451

Ring and Pinion Gears

Richmond Gear

Richmond Gear Ring and Pinion Sets 49-0045-1 GM 7.5/7.625 in. 3.42 Gears Gear, Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

SKU: RMG4900451

Ring and Pinion Gears

Sale ends in Calculating... Wed 14 Oct, 1:27 am AEST

IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

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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 7.5in 10 Bolt GM

Data: v4.2 - Upd: 2026-10-07 21:33:26

Specifications

Product Attributes - Brand: Richmond Gear
Product Attributes - Manufacturer's Part Number: 49-0045-1
Product Attributes - Part Type: Ring and Pinion Gears
Product Attributes - Product Line: Richmond Gear Ring and Pinion Sets
Product Attributes - UPC: 698231703946
Product Attributes - Differential Case Design Type: GM 7.5/7.625 in.
Product Attributes - Ring and Pinion Ratio: 3.42:1
Product Attributes - Cover Bolts: 10
Product Attributes - Ring Gear Bolts: 10
Product Attributes - Pinion Spline Count: 27
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.): 7.500 in.
Product Attributes - Pinion Shaft Diameter (in.): 1.438 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.

Reference Information

Brand Name/s	Richmond Gear
StreetFX SKU	rmg4900451
SFX Item ID	5500858
Supplier Item Code	5500858
Manufacturer SKU	4900451
Manufacturer UPC	698231703946
Alternative References	RIC49-0045-1, in./7.625, 10-Bolt

Compatibility

Application Data

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	L6
Engine Size	4.1L/250
Engine Family	CHEVROLET L6 GAS
Axle Location	Rear
Liter	4.1
CID	250
CC	4097
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	D
Region	USA

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	L6
Engine Size	4.1L/250
Engine Family	CHEVROLET L6 GAS
Axle Location	Rear
Liter	4.1
CID	250
CC	4098
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	D
Region	USA

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Size	5.7L/350
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	H
Region	USA

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Size	5.7L/350
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	J
Region	USA

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1975
Ending Year	1975
Engine Type	L6
Engine Size	4.1L/250
Engine Family	CHEVROLET L6 GAS
Axle Location	Rear
Liter	4.1
CID	250
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	D
Region	USA

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	4.3L/260
Engine Family	OLDSMOBILE V8 GAS
Axle Location	Rear
Liter	4.3
CID	260
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	F
Region	USA

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	5.7L/350
Engine Family	OLDSMOBILE V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
CC	5733
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	H
Region	USA

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	5.7L/350
Engine Family	OLDSMOBILE V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
CC	5733
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	J
Region	USA

Make	BUICK
Model	APOLLO
Submodel	SR
Beginning Year	1975
Ending Year	1975
Engine Type	L6
Engine Size	4.1L/250
Engine Family	CHEVROLET L6 GAS
Axle Location	Rear
Liter	4.1
CID	250
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	D
Region	USA

Make	BUICK
Model	APOLLO
Submodel	SR
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	4.3L/260
Engine Family	OLDSMOBILE V8 GAS
Axle Location	Rear
Liter	4.3
CID	260
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	F
Region	USA

Make	BUICK
Model	APOLLO
Submodel	SR
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	5.7L/350
Engine Family	OLDSMOBILE V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
CC	5733
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	H
Region	USA

Make	BUICK
Model	APOLLO
Submodel	SR
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	5.7L/350
Engine Family	OLDSMOBILE V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
CC	5733
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	J
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1977
Ending Year	1977
Engine Type	V6
Engine Size	3.8L/231
Engine Family	BUICK V6 GAS
Axle Location	Rear
Liter	3.8
CID	231
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	C
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1977
Ending Year	1977
Engine Type	V8
Engine Size	5.0L/305
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.0
CID	305
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	U
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1977
Ending Year	1977
Engine Type	V8
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	L
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1977
Ending Year	1977
Engine Type	V8
Engine Size	5.7L/350
Engine Family	OLDSMOBILE V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
CC	5733
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	H
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1977
Ending Year	1977
Engine Type	V8
Engine Size	5.7L/350
Engine Family	OLDSMOBILE V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
CC	5733
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	J
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1977
Ending Year	1977
Engine Type	V8
Engine Size	5.7L/350
Engine Family	OLDSMOBILE V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	R
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1980
Ending Year	1980
Engine Type	V6
Engine Size	3.8L/231
Engine Family	BUICK V6 GAS
Axle Location	Rear
Liter	3.8
CID	231
CC	3800
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	3
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1980
Ending Year	1980
Engine Type	V8
Engine Size	4.9L/301
Engine Family	PONTIAC V8 GAS
Axle Location	Rear
Liter	4.9
CID	301
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	W
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1980
Ending Year	1980
Engine Type	V8
Engine Size	5.0L/305
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.0
CID	305
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	H
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1980
Ending Year	1981
Engine Type	V6
Engine Size	3.8L/231
Engine Family	BUICK V6 GAS
Axle Location	Rear
Liter	3.8
CID	231
CC	3800
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	A
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1980
Ending Year	1981
Engine Type	V8
Engine Size	4.3L/265
Engine Family	PONTIAC V8 GAS
Axle Location	Rear
Liter	4.3
CID	265
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	S
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1981
Ending Year	1981
Engine Type	V8
Engine Size	5.7L/350
Engine Family	OLDSMOBILE V8 DIESEL
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	N
Region	USA

Make	BUICK
Model	CENTURY
Submodel	CUSTOM
Beginning Year	1977
Ending Year	1977
Engine Type	V6
Engine Size	3.8L/231
Engine Family	BUICK V6 GAS
Axle Location	Rear
Liter	3.8
CID	231
Application Notes	Differential Ring and Pinion; For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier
Engine VIN Code	C
Region	USA

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Richmond Gear Ring and Pinion Sets 49-0045-1 GM 7.5/7.625 in. 3.42 Gears Gear, Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Richmond Gear Ring and Pinion Sets 49-0045-1 GM 7.5/7.625 in. 3.42 Gears Gear, Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Description

Part Type

Specifications

Reference Information

Compatibility

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