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Truck Differential & Axle Parts

Keep your drive axles turning with heavy-duty truck differential and axle parts built for Class 8 and medium-duty work. This category covers the components that move power from the driveline to the wheels: ring and pinion sets, differential carriers and cases, spider and side gears, axle shafts, plus the bearings, seals, and hardware that hold it all together.

Not sure which ratio, spline count, or carrier series you're running? Our team cross-references OEM, competitor, and superseded part numbers so you order the right piece the first time. Most stock orders ship same-day, with free freight over $1,000.

267
Parts Available
Showing 24 of 267 Truck Differential & Axle Parts
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311151 Mack Spacer
Mack TRL-1076/1078 TRANSMISSION 5-SPEED
31KD1151
JAK'S JAKS-311151
In Stock — Ships Today
$10.58
CIRCUIT BOARD
JAK'S JAKS-DIFF-90502
In Stock — Ships Today
$111.99
LOCKING NUT
JAK'S JAKS-DIFF-90470
In Stock — Ships Today
$3.99
CONE
JAK'S JAKS-DIFF-90469
In Stock — Ships Today
$69.69
CUP
JAK'S JAKS-DIFF-90468
In Stock — Ships Today
$41.41
CONE
JAK'S JAKS-DIFF-90466
In Stock — Ships Today
$41.69
CONE
JAK'S JAKS-DIFF-90464
In Stock — Ships Today
$67.66
GSP-3103 Mack Spacer
Mack TRL-1076/1078 TRANSMISSION 5-SPEED
31KD1151
JAK'S JAKS-GSP-3103
In Stock — Ships Today
$10.58
Mack CUP
JAK'S JAKS-DIFF-90459
In Stock — Ships Today
$59.99
Fuller SCREW
JAK'S JAKS-DIFF-90453
In Stock — Ships Today
$4.99
Eaton PLUG
JAK'S JAKS-DIFF-90451
In Stock — Ships Today
$11.72
WEAR RING
JAK'S JAKS-DIFF-90450
In Stock — Ships Today
$12.76
CLAMP KIT
JAK'S JAKS-DIFF-90449
In Stock — Ships Today
$52.96
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