Yukon Gear Rear 4340 Chrome-Moly Replacement Axle For Dana 80 37 Spline (34in-43.5in)

SKU: YUKYA_WFF37-43.5

Drive Axle Shaft

YUK Chromoly Axles...

Yukon Gear & Axle

Yukon Gear Rear 4340 Chrome-Moly Replacement Axle For Dana 80 37 Spline (34in-43.5in)

SKU: YUKYA_WFF37-43.5

Drive Axle Shaft

YUK Chromoly Axles...

Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.

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Description

Yukon high-performance axles are built with high-tensile strength 4340 chromoly, use superior production methods that include cold roll formed splines, and feature advanced induction coil heat treating to create an axle of unmatched quality and durability.

Product Overview

Yukon 4340 Chrome Moly rear axle for Dana 80, 37 spline. This is a cut to fit axle which fits 39.5" to 43.5" applications. Yukon 4340 Chrome Moly alloy axles offer a strength increase over stock while retaining a low cost. Yukon 4340 Chrome Moly alloy rear axles come with a limited lifetime warranty against manufacturing defects.

Features and Benefits

Limited Lifetime Warranty
4340 Chromoly
37 spline
Fits Dana Spicer 80
Cut to length design fits 39.5"- 43.5" applications
8 X 3.96" bolt pattern
Cut To Length Design Fits 39.5 in./43.5 in. Applications
8 X 3.96 in. Bolt Pattern

Product Details

AAP Selling Package Quantity UOM:	EA
AAP_UDA_12:	EA
AAP_UDA_22:	1
Axle Nut Included:	No
Axle Shaft Seal Included:	No
Axle Type:	Full Float
Brake Hardware Included:	No
CV Joints Included:	No
California Proposition 65:	Not Applicable
Description:	Axle Shaft
Inboard Spline Quantity:	37
Part Number:	yukYA WFF37-43.5
Rust Resistant Coating:	No
Shaft Length:	43.5
Shaft Material:	4340 Nickel Chromoly Steel
Title:	Yukon Chromoly Full Float Rear Axle for Dana 80, 37 Spline, 43.5” Cut to Length
WARNING CA Proposition 65:	No

Application Summary

D80 37spl 4340 (39.5->43.5)FF AXLE (8X3.96)

Part Type

Drive Axle Shaft

Data: v4.2 - Upd: 2026-10-11 08:23:54

Features

37 spline
4340 Chromoly
8 X 3.96 in. Bolt Pattern
8 X 3.96" bolt pattern
Cut To Length Design Fits 39.5 in./43.5 in. Applications
Cut to length design fits 39.5"- 43.5" applications
Fits Dana Spicer 80

Specifications

AAP Selling Package Quantity UOM:: EA
AAP_UDA_12:: EA
AAP_UDA_22:: 1
Axle Nut Included:: No
Axle Shaft Seal Included:: No
Axle Type:: Full Float
Brake Hardware Included:: No
CV Joints Included:: No
California Proposition 65:: Not Applicable
Description:: Axle Shaft
Inboard Spline Quantity:: 37
Part Number:: yukYA WFF37-43.5
Rust Resistant Coating:: No
Shaft Length:: 43.5
Shaft Material:: 4340 Nickel Chromoly Steel
Title:: Yukon Chromoly Full Float Rear Axle for Dana 80, 37 Spline, 43.5” Cut to Length
WARNING CA Proposition 65:: No

Reference Information

Brand Name/s	Yukon Gear & Axle
StreetFX SKU	yukYA_WFF37-43.5
SFX Item ID	4491456
Supplier Item Code	4491456
Manufacturer SKU	YA WFF37-43.5
Manufacturer UPC	883584217152
Alternative References	wff37-43.5, yga-21715, (34in-43.5in)