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

Yukon Gear & Axle 4340 Chromoly Axles YA W39255 35.46" 30Spline INNER Left hand 8.5" 79 UP GM Truck BLAZER (4340), uses 5-760X u/joint

SKU: YUKW39255

Axle Shafts, Direct Fit

Yukon Gear & Axle 4340 Chromoly Axles YA W39255 35.46" 30Spline INNER Left hand 8.5" 79 UP GM Truck BLAZER (4340), uses 5-760X u/joint

SKU: YUKW39255

Axle Shafts, Direct Fit
A$867.73
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

Yukon Gear and Axle offers an extensive line of general replacement and high performance axles for passenger car, truck and SUV applications. Yukon Gear & Axle 4340 chromoly axles provide up to 50 percent more strength than stock axles … critical for extreme performance applications with large tires, high torque and high horsepower. These 4340 axles are manufactured using the latest technologies and the highest quality materials for long life in off-road, street and track use. Yukon Gear & Axle 4340 chromoly axles are offered in complete kits or individually.

Part Type

Axle Shafts, Direct Fit

Data: v4.2 - Upd: 2026-10-16 05:09:55

Specifications

Product Attributes - Brand
Yukon Gear & Axle
Product Attributes - Manufacturer's Part Number
YA W39255
Product Attributes - Part Type
Axle Shafts, Direct Fit
Product Attributes - Product Line
Yukon Gear & Axle 4340 Chromoly Axles
Product Attributes - UPC
883584213680
Product Attributes - Differential Case Design Type
GM 8.5 in. (truck, front)
Product Attributes - Axle Type
Front inner
Product Attributes - Axle Length (in.)
35.46
Product Attributes - Inner Axle Splines
30
Product Attributes - Axle Material
4340 chromoly
Product Attributes - Wheel Studs Included
No
Product Attributes - Bearings Included
No
Product Attributes - Seals Included
No
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Yukon Gear & Axle
StreetFX SKU yukW39255
SFX Item ID 4788768
Supplier Item Code 4788768
Manufacturer SKU W39255
Manufacturer UPC 883584213680
Alternative References YGA-21368, 30Spline, 5-760X

Compatibility

Application Data
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelSCOTTSDALE
    Beginning Year1988
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeK
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelSCOTTSDALE
    Beginning Year1988
    Ending Year1991
    Engine TypeV8
    Liter6.2
    CID379
    Engine FamilyChevy diesel
    Engine Size6.2L/379
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeC
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelSILVERADO
    Beginning Year1988
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeK
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelSILVERADO
    Beginning Year1988
    Ending Year1991
    Engine TypeV8
    Liter6.2
    CID379
    Engine FamilyChevy diesel
    Engine Size6.2L/379
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeC
  • MakeCHEVROLET
    ModelV10 SUBURBAN
    SubmodelSCOTTSDALE
    Beginning Year1988
    Ending Year1988
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeK
  • MakeCHEVROLET
    ModelV10 SUBURBAN
    SubmodelSCOTTSDALE
    Beginning Year1988
    Ending Year1988
    Engine TypeV8
    Liter6.2
    CID379
    Engine FamilyChevy diesel
    Engine Size6.2L/379
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeC
  • MakeCHEVROLET
    ModelV10 SUBURBAN
    SubmodelSILVERADO
    Beginning Year1988
    Ending Year1988
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeK
  • MakeCHEVROLET
    ModelV10 SUBURBAN
    SubmodelSILVERADO
    Beginning Year1988
    Ending Year1988
    Engine TypeV8
    Liter6.2
    CID379
    Engine FamilyChevy diesel
    Engine Size6.2L/379
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeC
  • MakeCHEVROLET
    ModelV1500 SUBURBAN
    SubmodelSCOTTSDALE
    Beginning Year1989
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeK
  • MakeCHEVROLET
    ModelV1500 SUBURBAN
    SubmodelSCOTTSDALE
    Beginning Year1989
    Ending Year1991
    Engine TypeV8
    Liter6.2
    CID379
    Engine FamilyChevy diesel
    Engine Size6.2L/379
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeC
  • MakeCHEVROLET
    ModelV1500 SUBURBAN
    SubmodelSILVERADO
    Beginning Year1989
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeK
  • MakeCHEVROLET
    ModelV1500 SUBURBAN
    SubmodelSILVERADO
    Beginning Year1989
    Ending Year1991
    Engine TypeV8
    Liter6.2
    CID379
    Engine FamilyChevy diesel
    Engine Size6.2L/379
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeC
  • MakeCHEVROLET
    ModelV20 SUBURBAN
    SubmodelSCOTTSDALE
    Beginning Year1988
    Ending Year1988
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeK
  • MakeCHEVROLET
    ModelV20 SUBURBAN
    SubmodelSCOTTSDALE
    Beginning Year1988
    Ending Year1988
    Engine TypeV8
    Liter6.2
    CID379
    Engine FamilyChevy diesel
    Engine Size6.2L/379
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeJ
  • MakeCHEVROLET
    ModelV20 SUBURBAN
    SubmodelSCOTTSDALE
    Beginning Year1988
    Ending Year1988
    Engine TypeV8
    Liter7.4
    CID454
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeN
  • MakeCHEVROLET
    ModelV20 SUBURBAN
    SubmodelSILVERADO
    Beginning Year1988
    Ending Year1988
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeK
  • MakeCHEVROLET
    ModelV20 SUBURBAN
    SubmodelSILVERADO
    Beginning Year1988
    Ending Year1988
    Engine TypeV8
    Liter6.2
    CID379
    Engine FamilyChevy diesel
    Engine Size6.2L/379
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeJ
  • MakeCHEVROLET
    ModelV20 SUBURBAN
    SubmodelSILVERADO
    Beginning Year1988
    Ending Year1988
    Engine TypeV8
    Liter7.4
    CID454
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeN
  • MakeCHEVROLET
    ModelV2500 SUBURBAN
    SubmodelSCOTTSDALE
    Beginning Year1989
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeK
  • MakeCHEVROLET
    ModelV2500 SUBURBAN
    SubmodelSCOTTSDALE
    Beginning Year1989
    Ending Year1991
    Engine TypeV8
    Liter6.2
    CID379
    Engine FamilyChevy diesel
    Engine Size6.2L/379
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeJ
  • MakeCHEVROLET
    ModelV2500 SUBURBAN
    SubmodelSCOTTSDALE
    Beginning Year1990
    Ending Year1990
    Engine TypeV8
    Liter7.4
    CID454
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeN
  • MakeCHEVROLET
    ModelV2500 SUBURBAN
    SubmodelSILVERADO
    Beginning Year1989
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeK
  • MakeCHEVROLET
    ModelV2500 SUBURBAN
    SubmodelSILVERADO
    Beginning Year1989
    Ending Year1991
    Engine TypeV8
    Liter6.2
    CID379
    Engine FamilyChevy diesel
    Engine Size6.2L/379
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeJ
  • MakeCHEVROLET
    ModelV2500 SUBURBAN
    SubmodelSILVERADO
    Beginning Year1990
    Ending Year1990
    Engine TypeV8
    Liter7.4
    CID454
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Drivetrain4WD
    Axle Shaft PositionFront Left Inner
    Application NotesGM 8.5 in.; 30 Spline; 35.46 in. Length 4340 Chromoly
    Engine VIN CodeN

Loading compatibility information...

Keep shopping

More from Yukon Gear & Axle