Yukon Gear Trac Loc internals For 8in & 9in Ford / 31 Spline / Incl. Hub & Clutches

SKU: YUKYPKF9-P-31-REB

Differential Carrier Rebuild Kits and Spider Gears

YUK Positraction Internals...

Yukon Gear & Axle

Yukon Gear Trac Loc internals For 8in & 9in Ford / 31 Spline / Incl. Hub & Clutches

SKU: YUKYPKF9-P-31-REB

Differential Carrier Rebuild Kits and Spider Gears

YUK Positraction Internals...

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Description

Yukon Gear & Axle clutch kits fit popular Ford diffs outfitted with a Trac Loc style positraction unit feature stout clutch plates, ensuring total traction and long-lasting performance.

Product Overview

Yukon Trac Loc internals for 8" & 9" Ford, 31 spline, includes hub & clutches. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects.

Features and Benefits

Fits Ford 9 in. w/Trac Loc Positraction w/31 Spline Axles
Fits Ford 9" with Trac Loc Positraction with 31 spline axles
Spider gear kit
Includes two side gears, four pinion gears, cross pin shaft, clutch hub, roll pin and spider gear thrust washers.
Incl. Two Side Gears; Four Pinion Gears; Cross Pin Shaft; Clutch Hub; Roll Pin/Spider Gear Thrust Washers

Product Details

AAP Selling Package Quantity UOM:	EA
AAP_UDA_12:	EA
AAP_UDA_22:	1
California Proposition 65:	WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Description:	Yukon Trac Loc internals for 8in./9in. Ford; 31 spline; includes hub/clutches.
Grade Type:	Regular
Model:	Ford 9 in. Trac-loc 31 Spline
Part Number:	yukYPKF9-P-31-REB
Title:	Yukon Trac Loc internals for 8" & 9" Ford, 31 spline, includes hub & clutches.
WARNING CA Proposition 65 Message:	WARNING: This product can expose you to chemicals including arsenic; which is known to the State of California to cause cancer. For more information; go to www.P65Warnings.ca.gov.
WARNING CA Proposition 65 Required:	Yes
WARNING CA Proposition 65 Warning Message:	WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING CA Proposition 65:	Yes

Application Summary

8" & 9" FORD 31spl COMPLETE T/L INTERNALS & CLUTCHES

Part Type

Differential Carrier Gear Kit

Data: v4.2 - Upd: 2026-10-13 20:46:16

Features

Fits Ford 9 in. w/Trac Loc Positraction w/31 Spline Axles
Fits Ford 9" with Trac Loc Positraction with 31 spline axles
Incl. Two Side Gears; Four Pinion Gears; Cross Pin Shaft; Clutch Hub; Roll Pin/Spider Gear Thrust Washers
Includes two side gears, four pinion gears, cross pin shaft, clutch hub, roll pin and spider gear thrust washers.

Specifications

Product Attributes - Brand: Yukon Gear & Axle
Product Attributes - Manufacturer's Part Number: YPKF9-P-31-REB
Product Attributes - Part Type: Differential Carrier Rebuild Kits and Spider Gears
Product Attributes - Product Line: Yukon Gear & Axle Differential Clutch Sets
Product Attributes - UPC: 883584160274
Product Attributes - Differential Case Design Type: Ford 9 in.
Product Attributes - Axle Shaft Spline Quantity: 31
Product Attributes - Spider Gears Included: Yes
Product Attributes - Side Gears Included: Yes
Product Attributes - Thrust Washers Included: No
Product Attributes - Friction Plates Included: Yes
Product Attributes - Cross Shaft Pin Included: Yes
Product Attributes - Cross Shaft Pin Bolt Included: No
Product Attributes - Friction Modifier Included: No
Product Attributes - Gaskets Included: No
Product Attributes - Quantity: Sold as a kit.
Product Attributes - Special Attention: Fits Ford Trac Loc positraction only.

Reference Information

Brand Name/s	Yukon Gear & Axle
StreetFX SKU	yukYPKF9-P-31-REB
SFX Item ID	4490127
Supplier Item Code	4490127
Manufacturer SKU	YPKF9-P-31-REB
Manufacturer UPC	883584160274
Alternative References	yga-16027, 8in, 9in