Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Mr. Gasket

Mr. Gasket Alternators 51203CG Alternators, Remanufactured, GM 10SI/10DN/12SI Case, 12 V, 140 amps, Chrome, V-belt Pulley, Buick, Cadillac, Chevy, GMC, Jeep, Olds, Pontiac, Each

SKU: MRG51203CG

Alternators and Generators
Mr. Gasket Alternators 51203CG Alternators, Remanufactured, GM 10SI/10DN/12SI Case, 12 V, 140 amps, Chrome, V-belt Pulley, Buick, Cadillac, Chevy, GMC, Jeep, Olds, Pontiac, Each

Mr. Gasket

Mr. Gasket Alternators 51203CG Alternators, Remanufactured, GM 10SI/10DN/12SI Case, 12 V, 140 amps, Chrome, V-belt Pulley, Buick, Cadillac, Chevy, GMC, Jeep, Olds, Pontiac, Each

SKU: MRG51203CG

Alternators and Generators
A$840.39
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

For maximum dependability from your car's electrical system, Mr. Gasket alternators are remanufactured to exceed OEM specifications. Quality chrome plated, they are constructed from high-quality materials and pack enough power to handle the needs of your vehicle's electrical system. Available for early and late-model GM applications along with a variety of Ford models, they can be used as OEM replacements or as one-wire alternators on GM applications.

Part Type

Alternators and Generators

Data: v4.2 - Upd: 2026-10-14 09:40:37

Specifications

Product Attributes - Brand
Mr. Gasket
Product Attributes - Manufacturer's Part Number
51203CG
Product Attributes - Part Type
Alternators and Generators
Product Attributes - Product Line
Mr. Gasket Alternators
Product Attributes - UPC
090127005408
Product Attributes - Remanufactured
Yes
Product Attributes - Alternator Case Style
GM 10SI/10DN/12SI
Product Attributes - Advertised Amperage Output
140 amps
Product Attributes - Color
Chrome
Product Attributes - Coating Type
Plated
Product Attributes - Finish
Chrome
Product Attributes - Voltage Compatibility
12
Product Attributes - One-Wire Capable
Yes
Product Attributes - Pulley Included
Yes
Product Attributes - Pulley Style
V-belt
Product Attributes - Regulator Included
Yes
Product Attributes - Alternator Regulator Location
Internal
Product Attributes - Belt Included
No
Product Attributes - Alternator Brackets Included
No
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Mr. Gasket
StreetFX SKU mrg51203CG
SFX Item ID 4982369
Supplier Item Code 4982369
Manufacturer SKU 51203CG
Manufacturer UPC 90127005408
Alternative References 10SI/10DN/12SI

Compatibility

Application Data
  • MakeCHEVROLET
    ModelEL CAMINO
    SubmodelCONQUISTA
    Beginning Year1984
    Ending Year1973
    Engine TypeL4
    Liter1.6
    CID262
    CC6588
    Engine FamilyChevy big block Mark IV
    Engine Size4.3L/262
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeE
  • MakeCHEVROLET
    ModelG10
    SubmodelCONQUISTA
    Beginning Year1981
    Ending Year1973
    Engine TypeL4
    Liter1.6
    CID229
    CC7441
    Engine FamilyChevy diesel
    Engine Size3.8L/229
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeX
  • MakeCHEVROLET
    ModelG10
    SubmodelCONQUISTA
    Beginning Year1976
    Ending Year1973
    Engine TypeL6
    Liter4.3
    CID110
    Engine FamilyGM diesel 4-cylinder
    Engine Size1.8L/110
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeQ
    CC1819
  • MakeCHEVROLET
    ModelG10
    SubmodelCONQUISTA
    Beginning Year1983
    Ending Year1983
    Engine TypeL6
    Liter1.4
    CID85
    Engine FamilyGM diesel V6
    Engine Size1.4L/85
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeF
    CC5733
  • MakeCHEVROLET
    ModelG10
    SubmodelBEAUVILLE
    Beginning Year1976
    Ending Year1976
    Engine TypeL4
    Liter1.6
    CID98
    Engine FamilyChevy diesel
    Engine Size1.6L/98
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeF
    CC4097
  • MakeCHEVROLET
    ModelG10
    SubmodelBEAUVILLE
    Beginning Year1977
    Ending Year1985
    Engine TypeL6
    Liter3.3
    CID200
    Engine FamilyGM inline 6-cylinder
    Engine Size3.3L/200
    Application NotesSingle V-belt, 1 wire
    Engine VIN Code9
    CC4098
  • MakeCHEVROLET
    ModelG10
    SubmodelBEAUVILLE
    Beginning Year1985
    Ending Year1978
    Engine TypeL6
    Liter1.6
    CID98
    CC7441
    Engine FamilyOldsmobile diesel V8
    Engine Size1.6L/98
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeN
  • MakeCHEVROLET
    ModelG10
    SubmodelBEAUVILLE
    Beginning Year1978
    Ending Year1978
    Engine TypeL6
    Liter1.6
    CID262
    CC7441
    Engine FamilyOldsmobile diesel V8
    Engine Size4.3L/262
    Application NotesSingle V-belt, 1 wire
    Engine VIN Code2
  • MakeCHEVROLET
    ModelG10
    SubmodelBEAUVILLE
    Beginning Year1984
    Ending Year1982
    Engine TypeV6
    Liter4.4
    CID267
    Engine FamilyChevy big block Mark IV
    Engine Size4.4L/267
    Application NotesSingle V-belt, 1 wire
    Engine VIN Code5
    CC6588
  • MakeCHEVROLET
    ModelG10
    SubmodelBEAUVILLE
    Beginning Year1983
    Ending Year1973
    Engine TypeL4
    Liter1.6
    CID98
    Engine FamilyGM 4-cylinder
    Engine Size1.6L/98
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeV
    CC7439
  • MakeCHEVROLET
    ModelG10
    SubmodelBEAUVILLE
    Beginning Year1984
    Ending Year1983
    Engine TypeL6
    Liter1.6
    CID229
    CC7441
    Engine FamilyChevy diesel
    Engine Size3.8L/229
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeQ
  • MakeCHEVROLET
    ModelG10
    SubmodelBEAUVILLE
    Beginning Year1983
    Ending Year1983
    Engine TypeL6
    Liter2.5
    CID229
    CC7441
    Engine FamilyGM 4-cylinder
    Engine Size3.8L/229
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeG
  • MakeCHEVROLET
    ModelG10
    SubmodelBEAUVILLE
    Beginning Year1983
    Ending Year1975
    Engine TypeL6
    Liter1.6
    CID98
    CC1393
    Engine FamilyChevy big block Mark IV
    Engine Size1.6L/98
    Application NotesSingle V-belt, 1 wire
    Engine VIN Code4
  • MakeCHEVROLET
    ModelG10
    SubmodelBEAUVILLE
    Beginning Year1986
    Ending Year1974
    Engine TypeL6
    Liter1.4
    CID85
    CC4097
    Engine FamilyGM 4-cylinder
    Engine Size1.4L/85
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeI
  • MakeCHEVROLET
    ModelG10
    SubmodelBEAUVILLE
    Beginning Year1974
    Ending Year1984
    Engine TypeL6
    Liter1.6
    CID98
    CC4801
    Engine FamilyGM inline 6-cylinder
    Engine Size1.6L/98
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeF
  • MakeCHEVROLET
    ModelG10
    SubmodelBEAUVILLE
    Beginning Year1983
    Ending Year1976
    Engine TypeL6
    Liter3.3
    CID200
    CC6588
    Engine FamilyGM inline 6-cylinder
    Engine Size3.3L/200
    Application NotesSingle V-belt, 1 wire
    Engine VIN Code7
  • MakeCHEVROLET
    ModelG10
    SubmodelBONAVENTURE
    Beginning Year1980
    Ending Year1975
    Engine TypeL6
    Liter1.6
    CID98
    CC4097
    Engine FamilyChevy diesel
    Engine Size1.6L/98
    Application NotesSingle V-belt, 1 wire
    Engine VIN Code2
  • MakeCHEVROLET
    ModelG10
    SubmodelBONAVENTURE
    Beginning Year1981
    Ending Year1976
    Engine TypeL6
    Liter6.2
    CID110
    CC7441
    Engine FamilyGM diesel 4-cylinder
    Engine Size1.8L/110
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeG
  • MakeCHEVROLET
    ModelG10
    SubmodelBONAVENTURE
    Beginning Year1981
    Ending Year1975
    Engine TypeL6
    Liter1.6
    CID98
    CC7439
    Engine FamilyChevy big block Mark IV
    Engine Size1.6L/98
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeF
  • MakeCHEVROLET
    ModelG10
    SubmodelBONAVENTURE
    Beginning Year1986
    Ending Year1978
    Engine TypeL6
    Liter4.4
    CID262
    Engine FamilyGM 4-cylinder
    Engine Size4.3L/262
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeP
    CC7441
  • MakeCHEVROLET
    ModelG10
    SubmodelBONAVENTURE
    Beginning Year1984
    Ending Year1976
    Engine TypeL4
    Liter1.8
    CID110
    Engine FamilyGM diesel 4-cylinder
    Engine Size1.8L/110
    Application NotesSingle V-belt, 1 wire
    Engine VIN Code5
    CC1819
  • MakeCHEVROLET
    ModelG10
    SubmodelBONAVENTURE
    Beginning Year1984
    Ending Year1975
    Engine TypeL4
    Liter4.4
    CID267
    Engine FamilyGM diesel 4-cylinder
    Engine Size4.4L/267
    Application NotesSingle V-belt, 1 wire
    Engine VIN Code7
    CC4098
  • MakeCHEVROLET
    ModelG10
    SubmodelCHEVY VAN
    Beginning Year1984
    Ending Year1975
    Engine TypeL6
    Liter1.4
    CID85
    Engine FamilyChevy diesel
    Engine Size1.4L/85
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeP
    CC1393
  • MakeCHEVROLET
    ModelG10
    SubmodelCHEVY VAN
    Beginning Year1981
    Ending Year1975
    Engine TypeL6
    Liter2.8
    CID229
    CC6588
    Engine FamilyChevy diesel
    Engine Size3.8L/229
    Application NotesSingle V-belt, 1 wire
    Engine VIN Code9
  • MakeCHEVROLET
    ModelG10
    SubmodelCHEVY VAN
    Beginning Year1977
    Ending Year1984
    Engine TypeL6
    Liter3.3
    CID200
    CC1393
    Engine FamilyGM 4-cylinder
    Engine Size3.3L/200
    Application NotesSingle V-belt, 1 wire
    Engine VIN CodeM

Loading compatibility information...

Keep shopping

More from Mr. Gasket