Black Sky Diesel
Store
Book

BLACKSKYDIESEL

Canada's premier diesel performance specialists.

Bay C, 1202 5 Street
Nisku, AB  T9E 8B6
(587) 986-2383
5.025 Google reviews

Shop

  • Duramax Parts
  • Cummins Parts
  • Powerstroke Parts
  • EcoDiesel Parts
  • Merch & Apparel
  • Sale Items

Company

  • Cable Spool Skid
  • About Us
  • Services
  • Service Areas
  • Blog
  • Dealer Program
  • Careers
  • Contact

Support

  • Get a Quote
  • Shipping & Returns
  • Warranty
  • FAQ
  • Privacy Policy
  • Terms of Service

© 2026 Black Sky Diesel Inc. All rights reserved. 🇨🇦

Site by
DuramaxCumminsPowerstroke
Parts > ShopHome/Shop/Drivetrain & Differentials/Ford, Lincoln, Mercury (4WD/RWD) Differential - Yukon Gear and Axle - YDAF9-456-31
Ford, Lincoln, Mercury (4WD/RWD) Differential - Yukon Gear and Axle - YDAF9-456-31
Out of Stock
Randy's Worldwide : Yukon Gear & AxleSKU: BSD-YUK-YDAF9-456-31

Ford, Lincoln, Mercury (4WD/RWD) Differential - Yukon Gear and Axle - YDAF9-456-31

$2,071.89
Shipping Estimate

Enter destination details for an instant shipping estimate. Final rates are confirmed at checkout.

Description

Dropout Assembly
YDAF9-456-31
88-55 FRD/LIN/MER
Yukon Dropout Assembly for Ford 9” Differential, 31 Spline, 4.56 Ratio
9" FORD 4.56 RATIO w/ 31spl STD CARRIER, 3RD MEMBER ASSEMBLY (w/o Yoke)
Yukon dropout assemblies are built by expert Yukon technicians and come complete, fully shimmed and backlashed to spec. All you do is install the third member into your diff housing, bolt on the diff cover, add fluid, and roll.
Yukon dropout assemblies are built by expert Yukon technicians and come complete, properly shimmed and backlashed to spec. All you do is install the third member into your diff housing, bolt on the diff cover, add fluid, and roll. This unit features a nodular iron case which improves rigidity and power handling, reducing deflection for consistent gear contact and a long service life.
Fits Ford 9” differential
Complete, fully assembled dropout
4.56 gear ratio
31 spline
Does not include yoke
Yukon Dropout Assembly for Ford 9” Differential, 31 Spline, 4.56 Ratio, YDAF9-456-31

Related Products

94-99 Dodge Ram 2500 Base (RWD) Differential - Rear - Zumbrota Drivetrain - RAA435-1764B-P

94-99 Dodge Ram 2500 Base (RWD) Differential - Rear - Zumbrota Drivetrain - RAA435-1764B-P

$4,493.39

Cadillac, Chevrolet, GMC (4WD/RWD) Differential Ring and Pinion Kit - Rear - Yukon Gear and Axle - YGK2005

Cadillac, Chevrolet, GMC (4WD/RWD) Differential Ring and Pinion Kit - Rear - Yukon Gear and Axle - YGK2005

$2,548.94

Ford, Lincoln, Mazda, Mercury... (4WD/RWD) Differential Ring and Pinion - Rear - USA Standard Gear - ZG F8.8-327

Ford, Lincoln, Mazda, Mercury... (4WD/RWD) Differential Ring and Pinion - Rear - USA Standard Gear - ZG F8.8-327

$434.84

Chevrolet, GMC (RWD) Differential - Rear - Zumbrota Drivetrain - RAA435-1215CL-P

Chevrolet, GMC (RWD) Differential - Rear - Zumbrota Drivetrain - RAA435-1215CL-P

$2,789.64