Availability
1973 USA Standard Gear Parts and Accessories
USA Standard steel spool for Dana 44 with 30 spline axles, 3.73 & down
Part Number: SPZ-59013
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
4340 Chromoly axle, GM Truck & Blazer, Outer Stub, uses 5-760X u/joint
Part Number: SPZ-35078
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
USA Standard Gear replacement spider gear set for Dana 60, 30 spline
Part Number: SPZ-39008
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
4340 Chromoly axle, Scout & Wagoneer D44, RH Inner, uses 5-760X u/joint
Part Number: SPZ-35071
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
27.01" 27spl INNER LH AXLE 72-81 CJ JEEP D30
Part Number: SPZ-35165
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
USA Standard Master Overhaul kit for the '81 & older GM 7.5" differential
Part Number: SPZ-37048
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
USA Standard Gear standard spider gear set for GM 8.5", 30 spline
Part Number: SPZ-39027
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
AMC M20 BEARING & SEAL KIT, KOYO BRGS
Part Number: SPZ-58053
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
USA Standard Gear standard spider gear set for GM 10.5" 14 bolt truck
Part Number: SPZ-39022
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion, Installation Kit, Dana 44, Kit
Part Number: SPZ-58036
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Ring and Pinion, Installation Kit, AMC, Model 35, Non-Rubicon, Kit
Part Number: SPZ-58017
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
USA Standard Gear open spider gear set for Dana Spicer 30, 27 spline
Part Number: SPZ-39005
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Ring and Pinion, Installation Kit, GM, 8.5 in., Kit
Part Number: SPZ-58011
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Transfer Case Bearing and Seal Overhaul Kit, Transfer Case Bearing and Seal Overhaul Kit
Part Number: SPZ-ZTBK20
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
D60 FRONT PINION KIT, KOYO BRGS
Part Number: SPZ-60016
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
D60 REAR PINION KIT, KOYO BRGS
Part Number: SPZ-60017
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Differential Rebuild Kits, USA Standard Pinion installation kit for D44 Front
Part Number: SPZ-60022
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Ring and Pinion, Installation Kit, Dana 44, Kit
Part Number: SPZ-58019
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
12T GM BEARING & SEAL KIT, KOYO BRGS
Part Number: SPZ-58045
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
8.5" GM REAR w/Aftermarket_AG-PRO,_YDG,_XHD-Std,_EATorDET BRG & SEAL KIT, KOYO BRGS
Part Number: SPZ-58050
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, Chrysler 9.25 in., 31-spline, 12-bolt, Rear, Chrysler, Dodge, Mitsubishi, Kit
Part Number: SPZ-39004
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, Dana 44, 30-spline, Chevy, Dodge, Ford, GMC, International, Isuzu, Jeep, Kit
Part Number: SPZ-39006
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Axle Shafts Direct Fit, 12T & 8.5" VANAxle,2WD-30spl,5 LUG,33-3/8",C10&1559 COMPLETEAxle PACKAGE
Part Number: SPZ-35186
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
USA Standard Master Overhaul kit Chrysler 7.25 in., Rear, Kit
Part Number: SPZ-37000
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
USA Standard mini spool for Dana 44 with 30 spline axles
Part Number: SPZ-59021
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
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