Home / Shop / USA Standard Gear Axle Shafts ZA W39144 4340 Chromoly Axle, Bronco & F150 RH inner, 30 spl, uses 5-760X u/joint

USA Standard Gear Axle Shafts ZA W39144 4340 Chromoly Axle, Bronco & F150 RH inner, 30 spl, uses 5-760X u/joint

SKU: SPZW39144

Axle Shafts, Direct Fit

Usa Standard Gear

USA Standard Gear Axle Shafts ZA W39144 4340 Chromoly Axle, Bronco & F150 RH inner, 30 spl, uses 5-760X u/joint

SKU: SPZW39144

Axle Shafts, Direct Fit

BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.

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Description

USA Standard gear axle shafts are high-quality replacements machined from steel for superior strength and performance. They're available for dozens of differential case design applications, such as AMC, Ford, GM, Chrysler, and Dana. The shafts are offered in nearly a hundred lengths and numerous wheel stud patterns. Order the model recommended for your vehicle.

Part Type

Axle Shafts, Direct Fit

Data: v4.2 - Upd: 2026-10-16 00:16:06

Specifications

Product Attributes - Brand: USA Standard Gear
Product Attributes - Manufacturer's Part Number: ZA W39144
Product Attributes - Part Type: Axle Shafts, Direct Fit
Product Attributes - Product Line: USA Standard Gear Axle Shafts
Product Attributes - UPC: 883584350866
Product Attributes - Differential Case Design Type: Dana 44
Product Attributes - Axle Length (in.): 33.91
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.
Product Attributes - Notes: Uses 5-760X u-joint, sold separately.

Reference Information

Brand Name/s	Usa Standard Gear
StreetFX SKU	spzW39144
SFX Item ID	4896634
Supplier Item Code	4896634
Manufacturer SKU	W39144
Manufacturer UPC	N/A
Alternative References	SPZ-35086, F150, 5-760X

Compatibility

Application Data

Make	FORD
Model	BRONCO
Submodel	CUSTOM
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	5.8
CID	351
CC	5753
Engine Family	Ford Modified
Engine Size	5.8L/351
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 30 Spline
Engine VIN Code	H

Make	FORD
Model	BRONCO
Submodel	CUSTOM
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	5.8
CID	351
CC	5753
Engine Family	Ford small block Windsor
Engine Size	5.8L/351
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 30 Spline
Engine VIN Code	H

Make	FORD
Model	BRONCO
Submodel	CUSTOM
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	6.6
CID	400
Engine Family	Ford Modified
Engine Size	6.6L/400
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 30 Spline
Engine VIN Code	S

Make	FORD
Model	BRONCO
Submodel	NORTHLAND
Beginning Year	1978
Ending Year	1978
Engine Type	V8
Liter	5.8
CID	351
CC	5753
Engine Family	Ford Modified
Engine Size	5.8L/351
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 30 Spline
Engine VIN Code	H

Make	FORD
Model	BRONCO
Submodel	NORTHLAND
Beginning Year	1978
Ending Year	1978
Engine Type	V8
Liter	5.8
CID	351
CC	5753
Engine Family	Ford small block Windsor
Engine Size	5.8L/351
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 30 Spline
Engine VIN Code	H

Make	FORD
Model	BRONCO
Submodel	NORTHLAND
Beginning Year	1978
Ending Year	1978
Engine Type	V8
Liter	6.6
CID	400
Engine Family	Ford Modified
Engine Size	6.6L/400
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 30 Spline
Engine VIN Code	S

Make	FORD
Model	BRONCO
Submodel	RANGER XLT
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	5.8
CID	351
CC	5753
Engine Family	Ford Modified
Engine Size	5.8L/351
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 30 Spline
Engine VIN Code	H

Make	FORD
Model	BRONCO
Submodel	RANGER XLT
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	5.8
CID	351
CC	5753
Engine Family	Ford small block Windsor
Engine Size	5.8L/351
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 30 Spline
Engine VIN Code	H

Make	FORD
Model	BRONCO
Submodel	RANGER XLT
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	6.6
CID	400
Engine Family	Ford Modified
Engine Size	6.6L/400
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 30 Spline
Engine VIN Code	S

Make	FORD
Model	F-150
Submodel	BASE
Beginning Year	1976
Ending Year	1976
Engine Type	V8
Liter	5.9
CID	360
Engine Family	Ford big block FE
Engine Size	5.9L/360
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	Y

Make	FORD
Model	F-150
Submodel	BASE
Beginning Year	1976
Ending Year	1976
Engine Type	V8
Liter	6.4
CID	390
Engine Family	Ford big block FE
Engine Size	6.4L/390
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	H

Make	FORD
Model	F-150
Submodel	BASE
Beginning Year	1976
Ending Year	1976
Engine Type	V8
Liter	6.4
CID	390
Engine Family	Ford big block FE
Engine Size	6.4L/390
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	M

Make	FORD
Model	F-150
Submodel	BASE
Beginning Year	1976
Ending Year	1978
Engine Type	L6
Liter	4.9
CID	300
CC	4917
Engine Family	Ford inline 6-cylinder
Engine Size	4.9L/300
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	B

Make	FORD
Model	F-150
Submodel	BASE
Beginning Year	1976
Ending Year	1978
Engine Type	V8
Liter	5.0
CID	302
Engine Family	Ford small block Windsor
Engine Size	5.0L/302
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	G

Make	FORD
Model	F-150
Submodel	BASE
Beginning Year	1976
Ending Year	1978
Engine Type	V8
Liter	7.5
CID	460
Engine Family	Ford big block 385 Series
Engine Size	7.5L/460
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	J

Make	FORD
Model	F-150
Submodel	BASE
Beginning Year	1977
Ending Year	1978
Engine Type	V8
Liter	5.8
CID	351
CC	5753
Engine Family	Ford Modified
Engine Size	5.8L/351
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	H

Make	FORD
Model	F-150
Submodel	BASE
Beginning Year	1977
Ending Year	1978
Engine Type	V8
Liter	5.8
CID	351
CC	5753
Engine Family	Ford small block Windsor
Engine Size	5.8L/351
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	H

Make	FORD
Model	F-150
Submodel	BASE
Beginning Year	1977
Ending Year	1978
Engine Type	V8
Liter	6.6
CID	400
Engine Family	Ford Modified
Engine Size	6.6L/400
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	S

Make	FORD
Model	F-150
Submodel	CUSTOM
Beginning Year	1976
Ending Year	1976
Engine Type	V8
Liter	5.9
CID	360
Engine Family	Ford big block FE
Engine Size	5.9L/360
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	Y

Make	FORD
Model	F-150
Submodel	CUSTOM
Beginning Year	1976
Ending Year	1976
Engine Type	V8
Liter	6.4
CID	390
Engine Family	Ford big block FE
Engine Size	6.4L/390
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	H

Make	FORD
Model	F-150
Submodel	CUSTOM
Beginning Year	1976
Ending Year	1976
Engine Type	V8
Liter	6.4
CID	390
Engine Family	Ford big block FE
Engine Size	6.4L/390
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	M

Make	FORD
Model	F-150
Submodel	CUSTOM
Beginning Year	1976
Ending Year	1979
Engine Type	L6
Liter	4.9
CID	300
CC	4917
Engine Family	Ford inline 6-cylinder
Engine Size	4.9L/300
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	B

Make	FORD
Model	F-150
Submodel	CUSTOM
Beginning Year	1976
Ending Year	1979
Engine Type	V8
Liter	5.0
CID	302
Engine Family	Ford small block Windsor
Engine Size	5.0L/302
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	G

Make	FORD
Model	F-150
Submodel	CUSTOM
Beginning Year	1976
Ending Year	1979
Engine Type	V8
Liter	7.5
CID	460
Engine Family	Ford big block 385 Series
Engine Size	7.5L/460
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	J

Make	FORD
Model	F-150
Submodel	CUSTOM
Beginning Year	1977
Ending Year	1979
Engine Type	V8
Liter	5.8
CID	351
CC	5753
Engine Family	Ford Modified
Engine Size	5.8L/351
Drivetrain	4WD
Axle Shaft Position	Front Right Inner
Application Notes	Dana 44; 4340 Chrome-Moly Axle; 33.91 in. Long; 19 Spline
Engine VIN Code	H

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USA Standard Gear Axle Shafts ZA W39144 4340 Chromoly Axle, Bronco & F150 RH inner, 30 spl, uses 5-760X u/joint

USA Standard Gear Axle Shafts ZA W39144 4340 Chromoly Axle, Bronco & F150 RH inner, 30 spl, uses 5-760X u/joint

Description

Part Type

Specifications

Reference Information

Compatibility

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