MSRP: $67.12
Our Price: $47.65
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Collar Drive Train SQHP and SQ-100 Application
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MSRP: $201.87
Our Price: $143.31
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Gear, Countershaft 59 Teeth Rockwell 9, 10, 13 Speed Transmission application
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MSRP: $247.94
Our Price: $144.04
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Drive Countershaft Gear Rockwell 9, 10, 13 Speed Transmission 55 Teeth
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MSRP: $402.54
Our Price: $220.28
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Drive Gear Current Drive Train SQOP and SQ-100 Application
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MSRP: $135.43
Our Price: $78.68
You Save: $56.75 (42 %)
Drive Gear Rockwell SQHD and SLHD Transmission Application
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MSRP: $231.56
Our Price: $154.85
You Save: $76.71 (33 %)
Drive Gear Drive Train SQHP and SQ-100 application
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MSRP: $351.27
Our Price: $234.88
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Drive Input Gear Drive Train SSHD application
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MSRP: $265.03
Our Price: $210.83
You Save: $54.20 (20 %)
Drop Box Kit SQHD and SLHD Application
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MSRP: $164.82
Our Price: $47.06
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Drop Box Kit SQHD and SLHD Application
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MSRP: $259.43
Our Price: $206.37
You Save: $53.06 (20 %)
Drop Box Kit SQHD and SLHD Application
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MSRP: $446.92
Our Price: $355.50
You Save: $91.42 (20 %)
Gear Kit This Part Has Been Substituted to ER79940 6.17 Standard Gear Ratio Mack Interchange
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MSRP: $498.50
Our Price: $396.53
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Gear Set 342 Fast Ratio 12/41 Teeth SQHP and SQ-100 Differential Application
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MSRP: $672.61
Our Price: $511.20
You Save: $161.41 (24 %)
Gear Set Ratio: 5.29 Rockwell SSHR Ring Gear: 37 Teeth Pinion Gear: 2.00 inch Spline Diameter x 39 Spline Teeth x 7...
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MSRP: $359.80
Our Price: $78.43
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Gear Set Standard Ratio 7.20 for Rockwell SQHR Ring Gear: 36 Teeth Pinion Gear: 1.75 inch Spline Diameter x 10 Spline...
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MSRP: $527.23
Our Price: $375.91
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Gear Set 6.83 Ratio Ring Gear: 41 Teeth Pinion Gear: 1.75 inch Spline Diameter x 10 Spline Teeth x 6 Teeth Drivetrain...
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MSRP: $527.86
Our Price: $376.36
You Save: $151.50 (29 %)
Gear Set 6.17 Standard Ratio Coarse Spline Rockwell SQHR Ring Gear: 14.75 inch Outer Diameter x 8.25 inch Inner...
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MSRP: $307.92
Our Price: $304.98
You Save: $2.94 (1 %)
Gear Set Ratio: 6.17 for Rockwell SQHD/SLHD Ring Gear: 37 Teeth Pinion Gear: 2.00 inch Spline Diameter x 39 Spline...
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MSRP: $314.21
Our Price: $220.50
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Gear Set Ratio: 5.29 for Rockwell SQHD, SLHD Ring Gear: 14.50 inch Outer Diameter x 8.25 inch Inner Diameter x 37 Teeth...
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MSRP: $677.77
Our Price: $459.26
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Gear Set Ratio: 5.29 Standard Ratio Fine Spline with Drive Gears for Rockwell SQHD, SLHD Drivetrain Application
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MSRP: $574.89
Our Price: $389.56
You Save: $185.33 (32 %)
Gear Set Ring Gear: 14.48 inch Outer Diameter x 8.30 inch Inner Diameter x 37 Teeth Pinion Gear: 2.00 inch Spline...
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MSRP: $543.73
Our Price: $432.52
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Gear Set Ratio: 4.11 Fast Ratio Coarse Spline for Rockwell SQHD, SLHD Ring Gear: 37 Teeth Pinion Gear: 2.00 inch...
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MSRP: $704.73
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You Save: $169.12 (24 %)
Gear Set Ratio: 5.29 for Rockwell SSHD Ring Gear: 37 Teeth Pinion Gear: 2.62 inch Spline Diameter x 26 Spline Teeth x 7...
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MSRP: $362.20
Our Price: $256.46
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Gear Set Ratio: 4.88 Standard Ratio Coarse Spline for Rockwell SQHD, SLHD Drivetrain Application
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MSRP: $488.04
Our Price: $388.23
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Gear Set 3.55 Fast Ratio for Rockwell SQHP and SQ-100 Ring Gear: 14.63 inch Outer Diameter x 8.30 inch Inner Diameter x...
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MSRP: $578.88
Our Price: $392.24
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Gear Set Ratio 5.29 for Rockwell SQAR and SQR-100 Ring Gear: 37 Teeth Pinion Gear: 2.00 inch Spline Diameter x 10...
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MSRP: $550.14
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Gear Set Ratio: SQHP and SQ-100 Drivetrain Application
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MSRP: $493.10
Our Price: $392.24
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Gear Set 4.63 Medium Ratio for Rockwell SQAR and SQR-100 Ring Gear: 15.00 inch Outer Diameter x 8.25 inch Inner...
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MSRP: $526.93
Our Price: $375.70
You Save: $151.23 (29 %)
Gear Set 3.70 Fast Ratio for Rockwell SQHD, SLHD Ring Gear: 37 Teeth Pinion Gear: 2.00 inch Spline Diameter x 39 Spline...
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MSRP: $526.45
Our Price: $418.77
You Save: $107.68 (20 %)
Gear Set Ratio: 3.70 Fast Ratio Fine Spline with Drive Gears for Rockwell SQHD, SLHD Ring Gear: 37 Teeth Pinion Gear...
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MSRP: $493.18
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Gear Set 3.70 Fast Ratio for Rockwell SQHP and SQ-100 Ring Gear: 37 Teeth Pinion Gear: 2.10 inch Spline Diameter x 41...
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MSRP: $578.88
Our Price: $392.24
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Gear Set 3.90 Fast Ratio for Rockwell SQHP and SQ-100 Application
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MSRP: $572.59
Our Price: $408.25
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Gear Set Ratio: 3.90 Fast Ratio Fine Spline with Drive Gearsfor Rockwell SQHD, SLHD Ring Gear: 39 Teeth Pinion Gear...
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MSRP: $550.14
Our Price: $392.24
You Save: $157.90 (29 %)
Gear Set 3.90 Fast Ratio for SQAR and SQR-100 Ring Gear: 39 Teeth Pinion Gear: 2.10 inch Spline Diameter x 41 Spline...
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MSRP: $627.82
Our Price: $425.42
You Save: $202.40 (32 %)
Gear Set Ratio: 4.10 Medium Ratio forSQAR and SQR-100 Ring Gear: 41 Teeth Pinion Gear: 2.00 inch Spline Diameter x 39...
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MSRP: $1,541.35
Our Price: $1,240.92
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Gear Set 41 Ring Gear Teeth 10 Pinion Teeth 34 Splines M32 x 1.50 Thread
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MSRP: $627.82
Our Price: $425.42
You Save: $202.40 (32 %)
Gear Set 4.10 Medium Ratio for Rockwell SQHP and SQ-100 Ring Gear: 41 Teeth Pinion Gear: 2.10 inch Spline Diameter x 41...
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MSRP: $561.06
Our Price: $400.05
You Save: $161.01 (29 %)
Gear Set 3.73 Fast Ratio for SQAR and SQR-100 Ring Gear: 14.63 inch Outer Diameter x 8.30 inch Inner Diameter x 41...
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MSRP: $572.17
Our Price: $387.71
You Save: $184.46 (32 %)
Gear Set 3.73 Fast Ratio for Rockwell SQHP and SQ-100 Ring Gear: 41 Teeth Pinion Gear: 2.10 inch Spline Diameter x 41...
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MSRP: $1,505.36
Our Price: $1,327.95
You Save: $177.41 (12 %)
Gear Set Ratio: 3.73 RD, RP 20160, 23160, 2313164, 25160, 26160 Ring Gear: 17.75 inch Outer Diameter x 9.88 inch Inner...
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MSRP: $1,609.61
Our Price: $1,358.17
You Save: $251.44 (16 %)
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MSRP: $1,271.97
Our Price: $1,103.44
You Save: $168.53 (13 %)
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MSRP: $1,661.92
Our Price: $1,454.55
You Save: $207.37 (12 %)
Gear Set Drive train RS 21160, 161, 23160, 161, 24160, 161, 25160, 161, 261 Drivetrain Application
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MSRP: $801.51
Our Price: $609.15
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Gear Set Ratio: 5.38 for Rockwell SSHD Ring Gear: 43 Teeth Pinion Gear: 2.62 inch Spline Diameter x 26 Spline Teeth x 8...
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MSRP: $755.76
Our Price: $595.04
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Gear Set Rockwell SSHR Differential 41 Ring Gear Teeth 39 Splines 9 Pinion Gear Teeth 1-1/2 inch-12 Thread
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MSRP: $780.18
Our Price: $552.42
You Save: $227.76 (29 %)
Gear Set Ratio: 5.38 for Rockwell SSHR Ring Gear: 43 Teeth Pinion Gear: 2.00 inch Spline Diameterx 39 Spline Teeth x 8...
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MSRP: $875.71
Our Price: $620.06
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Gear Set 4.11 Fast Ratio for Rockwell SSHD Ring Gear: 37 Teeth Pinion Gear: 2.62 inch Spline Diameter x 26 Spline Teeth...
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MSRP: $727.12
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Gear Set 4.33 Fast Ratio for Rockwell SSHD Drive Train Application Ring Gear: 16.50 inch Outer Diameter x 9.88 inch...
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MSRP: $683.30
Our Price: $538.00
You Save: $145.30 (21 %)
Gear Set 4.63 Fast Ratio for Rockwell SSHD Ring Gear: 16.50 inch Outer Diameter x 9.86 inch Inner Diameter x 37 Teeth...
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MSRP: $799.23
Our Price: $607.43
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Gear Set Ratio: 4.89 for Rockwell SSHD Ring Gear: 44 Teeth Pinion Gear: 2.62 inch Spline Outer Diameter x 26 Spline...
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MSRP: $632.06
Our Price: $502.78
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Gear Set Ratio: 6.17 for Rockwell SSHD Ring Gear: 16.75 inch Outer Diameter x 9.88 inch Inner Diameter x 37 Teeth...
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MSRP: $782.93
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Gear Set 6 Pinion Gear Teeth 41 Ring Gear Teeth 1-3/4 inch Thread 26 Splines
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MSRP: $888.85
Our Price: $629.36
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Gear Set 4.11 Fast Ratio for Rockwell SSHR Ring Gear: 37 Teeth Pinion Gear: 2.00 inch Spline Diameter x 39 Spline Teeth...
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MSRP: $669.56
Our Price: $527.18
You Save: $142.38 (21 %)
Gear Set 4.33 Fast Ratio for Rockwell SSHR Drive Train Application Ring Gear: 16.50 inch Outer Diameter x 9.86 inch...
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MSRP: $806.88
Our Price: $571.32
You Save: $235.56 (29 %)
Gear Set Ratio: 6.17 for Rockwell SSHR Ring Gear: 16.50 inch Outer Diameter x 9.88 inch Inner Diameter x 37 Teeth...
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MSRP: $2,595.92
Our Price: $2,350.35
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Gear Set 10-43 Teeth 4.30 Ratio 1.35-46 Spline Size
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MSRP: $2,417.59
Our Price: $1,998.51
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Gear Set 9-41 Teeth 4.56 Ratio 2.35-46 Spline Size
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MSRP: $2,540.57
Our Price: $2,300.24
You Save: $240.33 (9 %)
Gear Set 41 Ring Gear Teeth 9 Pinion Gear Teeth 47 Splines M45 x 1.5 Thread
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MSRP: $642.68
Our Price: $458.23
You Save: $184.45 (29 %)
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MSRP: $553.26
Our Price: $424.83
You Save: $128.43 (23 %)
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MSRP: $558.24
Our Price: $444.06
You Save: $114.18 (20 %)
Gear Set Ratio: 4.33 for Rockwell RD, RP, RT 17140, 20140, 34145, 40140, 40145, 44145 Ring Gear: 39 Teeth Pinion Gear...
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MSRP: $551.57
Our Price: $387.07
You Save: $164.50 (30 %)
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MSRP: $587.31
Our Price: $418.76
You Save: $168.55 (29 %)
Gear Set Ratio: 4.88 for Rockwell RD, RP, RT 17140, 20140, 34145, 40140, 40145, 44145 Ring Gear: 39 Teeth Pinion Gear...
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MSRP: $657.20
Our Price: $445.34
You Save: $211.86 (32 %)
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MSRP: $1,114.23
Our Price: $843.93
You Save: $270.30 (24 %)
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MSRP: $562.98
Our Price: $447.84
You Save: $115.14 (20 %)
Gear Set 43 Ring Gear Teeth 12 Pinion Teeth 46 Splines M45 x 1.5 Thread
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MSRP: $609.61
Our Price: $434.65
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Gear Set Ratio: 3.73 for Rockwell RD, RP, RT 17140, 20140, 34145, 40140, 0145, 44145 Ring Gear: 41 Teeth Pinion...
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MSRP: $1,078.08
Our Price: $845.90
You Save: $232.18 (22 %)
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MSRP: $562.98
Our Price: $447.84
You Save: $115.14 (20 %)
Gear Set 3.58 Ratio 12/43 Teeth
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MSRP: $628.38
Our Price: $448.04
You Save: $180.34 (29 %)
Gear Set Ratio: 3.73 for Rockwell RT, 34145, 40140, 401045, 44145 Ring Gear: 14.75 inch Outer Diameter x 8.25 inch...
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MSRP: $1,160.14
Our Price: $910.28
You Save: $249.86 (22 %)
Gear Set Ratio: 4.10 for Rockwell RT, 34145, 40140, 401045, 44145 Ring Gear: 15.00 inch Outer Diameter x 8.25 inch...
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MSRP: $665.30
Our Price: $450.80
You Save: $214.50 (32 %)
Gear Set Ratio: 4.33 for Rockwell RT, 34145, 40140, 401045, 44145 Ring Gear: 39 Teeth Pinion Gear: 2.00 inch Spline...
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MSRP: $678.09
Our Price: $459.49
You Save: $218.60 (32 %)
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MSRP: $577.44
Our Price: $411.72
You Save: $165.72 (29 %)
Gear Set Ratio: 4.88 for Rockwell RT, 34145, 40140, 401045, 44145 Ring Gear: 15.00 inch Outer Diameter x 8.25 inch...
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MSRP: $660.88
Our Price: $447.84
You Save: $213.04 (32 %)
Gear Set 5.29 Ratio 7/37 Teeth
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MSRP: $553.73
Our Price: $394.80
You Save: $158.93 (29 %)
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MSRP: $628.09
Our Price: $447.84
You Save: $180.25 (29 %)
Gear Set 9-37 Teeth 4.11 Ratio 2.35-46 Spline Size
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MSRP: $628.09
Our Price: $447.84
You Save: $180.25 (29 %)
Gear Set Rockwell RR 145 Differential application 39 Ring Gear Teeth 10 Pinion Teeth M39 x 1.5 Thread 39...
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MSRP: $481.52
Our Price: $337.91
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Gear Set 4.11 Ratio 9/37 Teeth
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MSRP: $23.06
Our Price: $19.22
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GearDrive 9 Teeth SSHD Forward Rear Axle Application
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MSRP: $234.23
Our Price: $136.07
You Save: $98.16 (42 %)
Gear 31 Outer Teeth 26 Inner Teeth 6.850 inch Outer Diameter x 2.515 inch Inner Diameter SSHD Forward Rear Axle...
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MSRP: $202.33
Our Price: $143.62
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Gear 35 Outer Teeth 46 Inner Teeth 7.695 inch Outer Diameter Drive Train RD, RP, RT 17140, 20140, 34145, 40140, 40145...
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MSRP: $337.90
Our Price: $225.95
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Helical Drive Gear 7.75 inch Outer Diameter x 5.28 inch Inner Diameter 35 External Teeth 14 Internal Teeth Drive Train...
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MSRP: $283.94
Our Price: $189.84
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Helical Driven Gear Drive Train RD, RP 20160, 23160, 23164, 25160, 26160 application
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MSRP: $314.94
Our Price: $210.59
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Helical Side Gear 35, 16 Teeth Interaxle Differential RS, RD, RT 44145 Drive Train Application
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MSRP: $946.70
Our Price: $742.82
You Save: $203.88 (22 %)
High Performance Gear Set Ratio: 3.73 Teeth: 11/41 Rockwell RD, RP, RT 17140, 20140, 34145, 40140, 0145, 44145 Forward...
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MSRP: $170.72
Our Price: $99.18
You Save: $71.54 (42 %)
Idler Gear Kit Rockwell SQHD/SLHD Differential application
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MSRP: $208.94
Our Price: $148.32
You Save: $60.62 (29 %)
Main Drive Gear 60 and 20 Teeth Rockwell 9-A and R O/D 115, 135, 10-A O/D Speed Transmission application
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MSRP: $296.08
Our Price: $197.99
You Save: $98.09 (33 %)
Main Drive Gear Rockwell 9, 10, 13 Speed Tranmission application 'C' ratio
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MSRP: $157.03
Our Price: $91.23
You Save: $65.80 (42 %)
Main Drive Gear 52 and 20 Teeth Rockwell 10-A O/D Speed 125, 145, 155, 165 application
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MSRP: $588.82
Our Price: $393.72
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Main Drive Gear 54 and 20 Teeth Rockwell 9-B Transmission Speed application
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MSRP: $130.61
Our Price: $92.72
You Save: $37.89 (29 %)
Main Drive Gear 50 and 20 Teeth Rockwell 10 Speed Transmission 13,000lb Axle application DIR 115, 125, 135, 145, 13...
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MSRP: $210.65
Our Price: $122.39
You Save: $88.26 (42 %)
Main Shaft Gear 2nd 64 and 20Teeth Rockwell 9, 10, 13 Speed Transmission application
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MSRP: $219.79
Our Price: $146.96
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Overdrive Countershaft Gear 66 Teeth Rockwell 9, 10, 13 Speed Transmission application
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MSRP: $16.11
Our Price: $14.24
You Save: $1.87 (12 %)
Ring Gear
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MSRP: $107.62
Our Price: $76.40
You Save: $31.22 (29 %)
Side Gear 14 Gear Teeth 46 Spline Teeth 5.78 inch Outer Diameter Rockwell RD, RP 20160, 23160, 23164, 25160, 26160...
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MSRP: $53.18
Our Price: $37.76
You Save: $15.42 (29 %)
Side Gear 16 Gear Teeth 2.10 inch-41 Spline Steel Rockwell SQHP and SQ-100 Forward Differential Application Rockwell...
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MSRP: $132.71
Our Price: $77.10
You Save: $55.61 (42 %)
Side Gear Drive Train SQHP and SQ-100 application
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MSRP: $77.81
Our Price: $55.24
You Save: $22.57 (29 %)
Side Gear 2-3/8 inch-24 Spline Rockwell SSHD Forward Rear Axle Differential Application
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MSRP: $160.89
Our Price: $93.48
You Save: $67.41 (42 %)
Side Gear 2-1/4 inch-23 Spline Rockwell SSHD Forward Rear Axle Differential Application
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MSRP: $115.55
Our Price: $82.04
You Save: $33.51 (29 %)
Side Gear 16 Gear Teeth 20 Spline Teeth 4.70 inch Outer Diameter Rockwell SSHD Differential Application
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MSRP: $221.27
Our Price: $128.54
You Save: $92.73 (42 %)
Side Gear 14, 28 Teeth 3.80 inch Length 4.38 inch Body Diameter Steel Rockwell SQHP and SQ-100 Forward Differential...
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MSRP: $81.44
Our Price: $57.15
You Save: $24.29 (30 %)
Side Gear 16 Gear Teeth 34 Spline Teeth 4.735 inch Outer Diameter Rockwell RS, RD, RT 44145 Interaxle Differential...
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MSRP: $172.26
Our Price: $100.08
You Save: $72.18 (42 %)
Side Gear Drive Train RD, RP 20160, 23160, 23164, 25160, 26160
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MSRP: $81.59
Our Price: $47.40
You Save: $34.19 (42 %)
Side Gear 41 Spline 40,000lb Current Rockwell RD, RP, RT 17140, 20140, 34145, 40140, 40145, 44145, Forward Tandem Axle...
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MSRP: $99.23
Our Price: $70.43
You Save: $28.80 (29 %)
Side Gear 2 inch -21 Spline Rockwell SQHR, SQHD, SLHD Application
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MSRP: $55.40
Our Price: $39.32
You Save: $16.08 (29 %)
Side Gear 2-1/8 inch - 22 Spline 16 Outer Teeth 22 Inner Teeth Rockwell SQHR Application
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MSRP: $43.55
Our Price: $25.30
You Save: $18.25 (42 %)
Sliding Clutch 17 and 20 teeth
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MSRP: $93.59
Our Price: $65.68
You Save: $27.91 (30 %)
Sliding Clutch 23 Teeth
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