Yukon Gear Steel Spool For GM 12 Bolt Truck w/ 30 Spline Axles / 3.73+

SKU: YUKYP_FSGM12T-4-30

Differential Spool

YUK Steel Spools...

Yukon Gear & Axle

Yukon Gear Steel Spool For GM 12 Bolt Truck w/ 30 Spline Axles / 3.73+

SKU: YUKYP_FSGM12T-4-30

Differential Spool

YUK Steel Spools...

Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.

We accept

Description

Yukon Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Full spools are recommended for vehicles with large tires or high horsepower.

Product Overview

Yukon Performance 1.94" deck steel spool for GM 12T with 30 spline axles. Spool uses 1.785" journal bearings. fits 3.73 and up. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects. This spool requires the use of a C-Clip eliminator kit to be used.

Features and Benefits

Fits GM 12 Bolt Truck w/30 Spline Axles
Not recommended for street driven vehicles
Fits GM 12 bolt truck with 30 spline axles
3.73 and up ratio only
Provides 100% traction to both wheels at all times
3.73 And Up Ratios Only
Provides 100 Percent Traction To Both Wheels At All Times

Product Details

AAP Selling Package Quantity UOM:	EA
AAP_UDA_12:	EA
AAP_UDA_22:	1
Axle Type:	GM 8.875 in.
California Proposition 65:	Not Applicable
Color:	Bare
Description:	Yukon steel spool for GM 12 bolt truck with 30 spline axles; 3.73/up
Grade Type:	Performance
Heat Treated:	Yes
Material:	Steel
Mounting Hole Quantity:	12
Part Number:	yukYP FSGM12T-4-30
Position:	Rear
Spline Quantity:	30
Title:	Yukon steel spool for GM 12 bolt truck with 30 spline axles, 3.73 & up
WARNING CA Proposition 65 Required:	No
WARNING CA Proposition 65:	No

Application Summary

12T 30spl STEEL SPOOL,3.73&UP,1.94"DECK,1.785"JOURNAL

Part Type

Differential Spool

Data: v4.2 - Upd: 2026-10-14 13:45:20

Features

3.73 and up ratio only
3.73 And Up Ratios Only
Fits GM 12 Bolt Truck w/30 Spline Axles
Fits GM 12 bolt truck with 30 spline axles
Not recommended for street driven vehicles
Provides 100 Percent Traction To Both Wheels At All Times
Provides 100% traction to both wheels at all times

Specifications

AAP Selling Package Quantity UOM:: EA
AAP_UDA_12:: EA
AAP_UDA_22:: 1
Axle Type:: GM 8.875 in.
California Proposition 65:: Not Applicable
Color:: Bare
Description:: Yukon steel spool for GM 12 bolt truck with 30 spline axles; 3.73/up
Grade Type:: Performance
Heat Treated:: Yes
Material:: Steel
Mounting Hole Quantity:: 12
Part Number:: yukYP FSGM12T-4-30
Position:: Rear
Spline Quantity:: 30
Title:: Yukon steel spool for GM 12 bolt truck with 30 spline axles, 3.73 & up
WARNING CA Proposition 65 Required:: No
WARNING CA Proposition 65:: No

Reference Information

Brand Name/s	Yukon Gear & Axle
StreetFX SKU	yukYP_FSGM12T-4-30
SFX Item ID	4489990
Supplier Item Code	4489990
Manufacturer SKU	YP FSGM12T-4-30
Manufacturer UPC	883584321903
Alternative References	fsgm12t-4-30, yga-32190