Home / Shop / Richmond Gear Ring and Pinion Sets 49-0046-1 GM 7.5/7.625 in. 3.73 Gears Gear, Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Richmond Gear Ring and Pinion Sets 49-0046-1 GM 7.5/7.625 in. 3.73 Gears Gear, Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

SKU: RMG4900461

Ring and Pinion Gears

Richmond Gear

Richmond Gear Ring and Pinion Sets 49-0046-1 GM 7.5/7.625 in. 3.73 Gears Gear, Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

SKU: RMG4900461

Ring and Pinion Gears

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.

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

3.73 7.5in 10 Bolt GM

Data: v4.2 - Upd: 2026-10-23 02:04:38

Specifications

Product Attributes - Brand: Richmond Gear
Product Attributes - Manufacturer's Part Number: 49-0046-1
Product Attributes - Part Type: Ring and Pinion Gears
Product Attributes - Product Line: Richmond Gear Ring and Pinion Sets
Product Attributes - UPC: 698231703953
Product Attributes - Differential Case Design Type: GM 7.5/7.625 in.
Product Attributes - Ring and Pinion Ratio: 3.73:1
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: 11
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.
Product Attributes - Special Attention: Only fits 3.23 and numerically higher carriers.

Reference Information

Brand Name/s	Richmond Gear
StreetFX SKU	rmg4900461
SFX Item ID	5500859
Supplier Item Code	5500859
Manufacturer SKU	4900461
Manufacturer UPC	698231703953
Alternative References	RIC49-0046-1, 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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); 3.73 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 49-0046-1 GM 7.5/7.625 in. 3.73 Gears Gear, Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Richmond Gear Ring and Pinion Sets 49-0046-1 GM 7.5/7.625 in. 3.73 Gears Gear, Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Description

Part Type

Specifications

Reference Information

Compatibility

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