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Differential Parts

Our Rockwell parts meet or exceed the OEM specifications. After production, these parts are individually tested ensuring exact fitment and reducing out of box failures. Not only are these Rockwell parts rigorously tested in a multi-hour run-in environment to certify proper and continuous operation over long periods of time, they are also made of industry leading materials and processes.
Displaying products 1 - 35 of 35 results
Fersa Bearings Differential F-Box Rebuilder Kit, FDRK 217R
Differential Rebuild Kit DRK 217R for Meritor differentials by Fersa Bearings
MSRP: $240.22
Our Price: $212.58
You Save: $27.64 (12 %)
Differential Rebuild Kit DRK 217R for Meritor differentials by Fersa Bearings
Meritor KIT4400
Differential Rebuild Kit DRK 4396 for Meritor differentials by Fersa Bearings
Differential Rebuild Kit DRK 4396 for Meritor differentials by Fersa Bearings
MSRP: $373.46
Our Price: $327.60
You Save: $45.86 (12 %)
Differential Rebuild Kit DRK 4396 for Meritor differentials by Fersa Bearings
Meritor KIT4396
Fersa Bearings Differential F-Box Rebuilder Kit, FDRK 4423
Differential Rebuild Kit DRK 4423 for Meritor differentials by Fersa Bearings
MSRP: $596.60
Our Price: $542.36
You Save: $54.24 (9 %)
Differential Rebuild Kit DRK 4423 for Meritor differentials by Fersa Bearings
Meritor KIT4423
Fersa Bearings Differential F-Box Rebuilder Kit, FDRK 4426
Differential Rebuild Kit DRK 4426 for Meritor differentials by Fersa Bearings
MSRP: $641.65
Our Price: $567.83
You Save: $73.82 (12 %)
Differential Rebuild Kit DRK 4426 for Meritor differentials by Fersa Bearings
Meritor KIT4426
Fersa Bearings Differential F-Box Rebuilder Kit, FDRK 4428
Differential Rebuild Kit DRK 4428 for Meritor differentials by Fersa Bearings
MSRP: $654.00
Our Price: $583.93
You Save: $70.07 (11 %)
Differential Rebuild Kit DRK 4428 for Meritor differentials by Fersa Bearings
Meritor KIT4428
Rockwell Diffential Case Assembly, A2-3235-F-1800
Rockwell Differential Case Assembly, A2-3235-F-1800
MSRP: $203.26
Our Price: $159.55
You Save: $43.71 (22 %)
Rockwell Differential Case Assembly, A2-3235-F-1800
Differential Case Assembly Drive Train SSHD Application
Rockwell Differential Nest Kit, KIT2311
Rockwell Differential Nest Kit, KIT2311
MSRP: $188.33
Our Price: $147.83
You Save: $40.50 (22 %)
Rockwell Differential Nest Kit, KIT2311
Differential Nest Kit without Spider Rockwell RD, RP, RT 17140, 20140, 34145, 40140, 40145, 44145 Differential Application Rockwell 16140, 16141, 17140, 17141, 17145, 19 Differential Application
Rockwell Differential Nest Kit, KIT2318
Rockwell Differential Nest Kit, KIT2318
MSRP: $450.74
Our Price: $317.14
You Save: $133.60 (30 %)
Rockwell Differential Nest Kit, KIT2318
Differential Nest Kit with Spider Rockwell RS 21160, 161, 23160, 161, 24160, 161, 25160, 161, 261 Differential Application
Rockwell Differential Nest Kit, KIT2341
Rockwell Differential Nest Kit, KIT2341
MSRP: $331.93
Our Price: $260.55
You Save: $71.38 (22 %)
Rockwell Differential Nest Kit, KIT2341
Differential Nest Kit without SpiderRockwell RD 21160, 161, 23160, 161, 24160, 161, 25160, 161, 261 Differential Application
Rockwell Differential Nest Kit, KIT315
Rockwell Differential Nest Kit, KIT315
MSRP: $262.90
Our Price: $174.08
You Save: $88.82 (34 %)
Rockwell Differential Nest Kit, KIT315
Differential Nest Kit without Spider Rockwell SLHD Differential Application
Rockwell Differential Nest Kit, KIT316
Rockwell Differential Nest Kit, KIT316
MSRP: $194.71
Our Price: $136.90
You Save: $57.81 (30 %)
Rockwell Differential Nest Kit, KIT316
Differential Nest Kit without Spider SQHD Differential Application
Rockwell Differential Nest Kit, KIT317
Rockwell Differential Nest Kit, KIT317
MSRP: $370.58
Our Price: $202.79
You Save: $167.79 (45 %)
Rockwell Differential Nest Kit, KIT317
Differential Nest Kit with Spider Rockwell SLHD Differential Application
Rockwell Differential Nest Kit, KIT318
Rockwell Differential Nest Kit, KIT318
MSRP: $284.50
Our Price: $155.68
You Save: $128.82 (45 %)
Rockwell Differential Nest Kit, KIT318
Differential Nest Kit with Spider Rockwell SQHD Differential Application
Rockwell Differential Nest Kit, KIT325
Rockwell Differential Nest Kit, KIT325
MSRP: $188.10
Our Price: $132.23
You Save: $55.87 (30 %)
Rockwell Differential Nest Kit, KIT325
Differential Nest Kit without Spider Drive Train SQHP and SQ-100, SQAR and SQR-100 Application
Rockwell Differential Nest Kit, KIT327
Rockwell Differential Nest Kit, KIT327
MSRP: $450.68
Our Price: $317.10
You Save: $133.58 (30 %)
Rockwell Differential Nest Kit, KIT327
Differential Nest Kit Drive Train SSHD and SSHR Application
Rockwell Differential Nest Kit, KIT383
Rockwell Differential Nest Kit, KIT383
MSRP: $366.81
Our Price: $242.87
You Save: $123.94 (34 %)
Rockwell Differential Nest Kit, KIT383
Differential Nest Kit Drive Train SSHD and SSHR Application
Rockwell Differential Spider, 3278-W-335
Rockwell Differential Spider, 3278-W-335
MSRP: $132.56
Our Price: $110.47
You Save: $22.09 (17 %)
Rockwell Differential Spider, 3278-W-335
Differential Spider 8.65 inch Overall Width Rockwell RD, RP 20160, 23160, 23164, 25160, 26160 Forward Tandem Axle Differential Application Rockwell RS 21160, 161, 23160, 161, 24160, 161, 25160, 161, 261 Rear Axle Differential Application
Rockwell Gear Set, B-41266-1
Rockwell Gear Set, B-41266-1
MSRP: $926.06
Our Price: $703.91
You Save: $222.15 (24 %)
Rockwell Gear Set, B-41266-1
Gear Set Ratio: 4.33 for Rockwell RS 16141, 17141, 17145, 19145, 21145 Ring Gear: 15.25 inch Outer Diameter x 8.25 inch Inner Diameter x 39 Teeth Pinion Gear: 1.99 inch Spline Outer Diameter x 39 Spline Teeth x 9 Teeth M39 x 1.50 Thread
Rockwell Interaxle Differential Assembly, A2-3235-Q-2747
Rockwell Interaxle Differential Assembly, A2-3235-Q-2747
MSRP: $239.72
Our Price: $158.73
You Save: $80.99 (34 %)
Rockwell Interaxle Differential Assembly, A2-3235-Q-2747
Interaxle Differential Assembly Bolted 2.12 inch x 22 spline Drive Train SSHD application
Rockwell Interaxle Differential Assembly, A-3235-F-1800
Rockwell Interaxle Differential Assembly, A-3235-F-1800
MSRP: $241.00
Our Price: $159.58
You Save: $81.42 (34 %)
Rockwell Interaxle Differential Assembly, A-3235-F-1800
Interaxle Differential Assembly Early Style Welded 6.56 inch Outer Diameter 2.00 inch x 39 Spline Drive Train SQHP and SQ-100 Application
Rockwell Interaxle Differential Assembly, A-3235-Q-2747
Rockwell Interaxle Differential Assembly, A-3235-Q-2747
MSRP: $243.26
Our Price: $161.08
You Save: $82.18 (34 %)
Rockwell Interaxle Differential Assembly, A-3235-Q-2747
Interaxle Differential Assembly Early style bolted 2 inch x 39 spline Drive Train SQHP and SQ-100 application
Rockwell Interaxle Differential Assembly, A3-3235-A-2393
Rockwell Interaxle Differential Assembly, A3-3235-A-2393
MSRP: $962.94
Our Price: $734.89
You Save: $228.05 (24 %)
Rockwell Interaxle Differential Assembly, A3-3235-A-2393
Interaxle Differential Assembly Complete Drive Train RD, RP 20160, 23160, 23164, 25160, 26160 Application
Rockwell Interaxle Differential Assembly, A3-3235-F-1800
Rockwell Interaxle Differential Assembly, A3-3235-F-1800
MSRP: $259.18
Our Price: $171.61
You Save: $87.57 (34 %)
Rockwell Interaxle Differential Assembly, A3-3235-F-1800
Interaxle Differential Assembly Current style welded Drive Train SQHP and SQ-100 application
Rockwell Interaxle Differential Bolt Kit, 8235-KIT1590
Rockwell Interaxle Differential Bolt Kit, 8235-KIT1590
MSRP: $47.22
Our Price: $27.44
You Save: $19.78 (42 %)
Rockwell Interaxle Differential Bolt Kit, 8235-KIT1590
Interaxle Differential Bolt Kit Drive Train SQHP and SQ-100 Application
Rockwell Interaxle Differential Case Assembly, A2-3235-T-1528
Rockwell Interaxle Differential Case Assembly, A2-3235-T-1528
MSRP: $95.63
Our Price: $79.69
You Save: $15.94 (17 %)
Rockwell Interaxle Differential Case Assembly, A2-3235-T-1528
Interaxle Differential Case Assembly SQHD and SLHD Application
Rockwell Interaxle Differential Gear Kit, KIT4007
Rockwell Interaxle Differential Gear Kit, KIT4007
MSRP: $341.38
Our Price: $228.26
You Save: $113.12 (33 %)
Rockwell Interaxle Differential Gear Kit, KIT4007
Interaxle Differential Gear Kit
Rockwell Interaxle Differential Kit, KIT2488
Rockwell Interaxle Differential Kit, KIT2488
MSRP: $593.21
Our Price: $465.64
You Save: $127.57 (22 %)
Rockwell Interaxle Differential Kit, KIT2488
Interaxle Differential Kit Drive Train RD, RP, RT 17140, 20140, 34145, 40140, 40145, 44145 Application
Rockwell Interaxle Differential Kit, MPS3345
Rockwell Interaxle Differential Kit, MPS3345
MSRP: $767.54
Our Price: $602.48
You Save: $165.06 (22 %)
Rockwell Interaxle Differential Kit, MPS3345
Interaxle Differential Kit Drive Train SQHP and SQ-100 Application
Rockwell Interaxle Differential Nest Kit, KIT2248
Rockwell Interaxle Differential Nest Kit, KIT2248
MSRP: $333.21
Our Price: $222.81
You Save: $110.40 (33 %)
Rockwell Interaxle Differential Nest Kit, KIT2248
Interaxle Differential Nest Kit
Rockwell Interaxle Differential Side Gear, 3892-W-4963
Rockwell Interaxle Differential Side Gear, 3892-W-4963
MSRP: $1,323.37
Our Price: $994.01
You Save: $329.36 (25 %)
Rockwell Interaxle Differential Side Gear, 3892-W-4963
Interaxle Differential Side Gear 180 Series
Rockwell Interaxle Differential Sliding Clutch, 3107-M-1183
Rockwell Interaxle Differential Sliding Clutch, 3107-M-1183
MSRP: $159.30
Our Price: $92.55
You Save: $66.75 (42 %)
Rockwell Interaxle Differential Sliding Clutch, 3107-M-1183
Interaxle Differential Sliding Clutch
Rockwell Interaxle Differential Spider, 3278-A-1119
Rockwell Interaxle Differential Spider, 3278-A-1119
MSRP: $100.95
Our Price: $58.65
You Save: $42.30 (42 %)
Rockwell Interaxle Differential Spider, 3278-A-1119
Interaxle Differential Spider
Rockwell Interaxle Differential, A-3235-W-2025
Rockwell Interaxle Differential, A-3235-W-2025
MSRP: $361.15
Our Price: $197.64
You Save: $163.51 (45 %)
Rockwell Interaxle Differential, A-3235-W-2025
Differential Interaxle Assembly Rockwell RD, RP, RT 17140, 20140, 34145, 401040, 40145, 44145 Differential Applications
Rockwell Nest Differential Kit, KIT326
Rockwell Nest Differential Kit, KIT326
MSRP: $215.79
Our Price: $142.90
You Save: $72.89 (34 %)
Rockwell Nest Differential Kit, KIT326
Nest Differential Kit Less Spider Drive Train SQHP and SQ-100, SQAR and SQR-100 application
Rockwell Nest Kit, KIT2310
Rockwell Nest Kit, KIT2310
MSRP: $264.48
Our Price: $175.13
You Save: $89.35 (34 %)
Rockwell Nest Kit, KIT2310
Nest kit with Spider Rockwell RD, RP, RT 17140, 20140, 34145, 40140, 40145, 44145 Application