Home / Shop / Yukon Gear Standard Open Spider Gear Kit For 9in Ford w/ 31 Spline Axles and 4-Pinion Design

Yukon Gear Standard Open Spider Gear Kit For 9in Ford w/ 31 Spline Axles and 4-Pinion Design

SKU: YUKYPKF9-S-31-4

Differential Carrier Rebuild Kits and Spider Gears

YUK Spider Gear Kits...

Yukon Gear & Axle

Yukon Gear Standard Open Spider Gear Kit For 9in Ford w/ 31 Spline Axles and 4-Pinion Design

SKU: YUKYPKF9-S-31-4

Differential Carrier Rebuild Kits and Spider Gears

YUK Spider Gear Kits...

Last Available from MFR. LAST ONE AVAILABLE from the manufacturer's distribution centre. Once sold, this item may not be immediately available again. The dispatch timeframe shown is an estimate based on historical orders for this part and is dependent on the manufacturer releasing the final available unit.

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Description

Yukon Gear & Axle spider gear kits feature higher quality materials and better manufacturing techniques than OEM to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.

Product Overview

Yukon standard open spider gear kit for 9" Ford with 31 spline axles and 4-pinion design. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Features and Benefits

Fit Ford 9 in. Open Differential w/31 Spline Axles
Includes two side gears, four pinion gears, cross pin shaft, roll pins and spider gear thrust washers.
Spider gear kit
Fit Ford 9" open differential with 31 spline axles
Incl. Two Side Gears; Four Pinion Gears; Cross Pin Shaft; Roll Pins And Spider Gear Thrust Washers

Product Details

AAP Selling Package Quantity UOM:	EA
AAP_UDA_12:	EA
AAP_UDA_22:	1
California Proposition 65:	Not Applicable
Description:	Yukon STD open spider gear kit for 9in. with 31 spline axles/4-pinion design
Grade Type:	Regular
Part Number:	yukYPKF9-S-31-4
Title:	Yukon standard open spider gear kit, Ford 9", 31 spline, 4-pinion design
WARNING CA Proposition 65 Required:	No
WARNING CA Proposition 65:	No

Application Summary

9" FORD 4-PINION 31spl STD

Part Type

Differential Carrier Gear Kit

Data: v4.2 - Upd: 2026-10-18 03:37:20

Features

Fit Ford 9 in. Open Differential w/31 Spline Axles
Fit Ford 9" open differential with 31 spline axles
Incl. Two Side Gears; Four Pinion Gears; Cross Pin Shaft; Roll Pins And Spider Gear Thrust Washers
Includes two side gears, four pinion gears, cross pin shaft, roll pins and spider gear thrust washers.

Specifications

Product Attributes - Brand: Yukon Gear & Axle
Product Attributes - Manufacturer's Part Number: YPKF9-S-31-4
Product Attributes - Part Type: Differential Carrier Rebuild Kits and Spider Gears
Product Attributes - Product Line: Yukon Gear & Axle Spider Gear Kits
Product Attributes - UPC: 883584160342
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: Yes
Product Attributes - Friction Plates Included: No
Product Attributes - Cross Shaft Pin Included: Yes
Product Attributes - Cross Shaft Pin Bolt Included: Yes
Product Attributes - Friction Modifier Included: No
Product Attributes - Gaskets Included: No
Product Attributes - Quantity: Sold as a kit.

Reference Information

Brand Name/s	Yukon Gear & Axle
StreetFX SKU	yukYPKF9-S-31-4
SFX Item ID	4490138
Supplier Item Code	4490138
Manufacturer SKU	YPKF9-S-31-4
Manufacturer UPC	883584160342
Alternative References	yga-16034, 9in, 4-Pinion