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Semi-Truck Transmission Repair Parts

We carry rebuilt, new and used transmission parts for big rigs, including a variety of parts and kits not seen here online. If the semi transmission repair parts you're looking for aren't displayed here, contact us for immediate assistance. Our experienced staff can also help you with other transmission-related questions.

Buy new and used OEM heavy-duty truck transmission parts for Fuller, Eaton, Rockwell Meritor, Spicer, Mack and ZF. Shop wholesale drive train parts for your transmission and save even more.

Please click on the manufacturer's logo below to view parts available for your transmission. If you don't see the parts manual or parts you need, call one of our experts to get immediate assistance.

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Eaton Fuller Replacement Kit Drive Gear P/N: K-3387 or K3387 Eaton Fuller Replacement Kit Drive Gear P/N: K-3387 or K3387
List Price: $0.01
Our Price: $1.00
Sale Price: $0.01
No longer available - Call for replacement
Eaton Fuller Plate Name P/N: 4306457 Eaton Fuller Plate Name P/N: 4306457
List Price: $1.24
Our Price: $1.13
Sale Price: $1.03
Savings: $0.21
Free Shipping
Eaton Fuller Washer P/N: MX10-0501 or MX100501 Eaton Fuller Washer P/N: MX10-0501 or MX100501
List Price: $3.01
Our Price: $0.94
Sale Price: $1.07
Savings: $2.07
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Spicer TTC Pin I-Supply-8-1-07 P/N: 252SP Spicer TTC Pin I-Supply-8-1-07 P/N: 252SP
List Price: $3.01
Our Price: $0.94
Sale Price: $1.07
Savings: $2.07
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Eaton Fuller Washer P/N: 8874522 Eaton Fuller Washer P/N: 8874522
List Price: $3.03
Our Price: $0.97
Sale Price: $1.08
Savings: $2.06
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Eaton Fuller O-Ring P/N: EAHD13834 Eaton Fuller O-Ring P/N: EAHD13834
List Price: $1.12
Our Price: $1.10
Sale Price: $1.08
Savings: $0.04
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Eaton Fuller O-Ring P/N: EAHD13653 Eaton Fuller O-Ring P/N: EAHD13653
List Price: $1.18
Our Price: $1.15
Sale Price: $1.12
Savings: $0.06
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Eaton Fuller Washer Plain P/N: X10-501 or X10501 Eaton Fuller Washer Plain P/N: X10-501 or X10501
List Price: $3.10
Our Price: $1.03
Sale Price: $1.13
Savings: $2.07
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Eaton Fuller Washer Plain P/N: X10-600 or X10600 Eaton Fuller Washer Plain P/N: X10-600 or X10600
List Price: $3.10
Our Price: $1.03
Sale Price: $1.13
Savings: $2.07
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Eaton Fuller Washer P/N: 25E17H Eaton Fuller Washer P/N: 25E17H
List Price: $3.13
Our Price: $1.05
Sale Price: $1.15
Savings: $2.08
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Eaton Fuller C Clip P/N: 3312605 Eaton Fuller C Clip P/N: 3312605
List Price: $3.13
Our Price: $1.05
Sale Price: $1.15
Savings: $2.08
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Eaton Fuller Snap Ring P/N: 691691 Eaton Fuller Snap Ring P/N: 691691
List Price: $3.13
Our Price: $1.05
Sale Price: $1.15
Savings: $2.08
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Eaton Fuller Spring Washer P/N: MX3-1202 or MX31202 Eaton Fuller Spring Washer P/N: MX3-1202 or MX31202
List Price: $3.13
Our Price: $1.05
Sale Price: $1.15
Savings: $2.08
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Eaton Fuller Washer Plain P/N: X10-801 or X10801 Eaton Fuller Washer Plain P/N: X10-801 or X10801
List Price: $3.13
Our Price: $1.05
Sale Price: $1.15
Savings: $2.08
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Eaton Fuller Screw P/N: X13-210 or X13210 Eaton Fuller Screw P/N: X13-210 or X13210
List Price: $3.15
Our Price: $1.07
Sale Price: $1.17
Savings: $2.08
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Eaton Fuller Plain Nut P/N: X1-401 or X1401 Eaton Fuller Plain Nut P/N: X1-401 or X1401
List Price: $3.15
Our Price: $1.07
Sale Price: $1.17
Savings: $2.08
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Eaton Fuller Lock Washer Plain P/N: X3-400 or X3400 Eaton Fuller Lock Washer Plain P/N: X3-400 or X3400
List Price: $3.15
Our Price: $1.07
Sale Price: $1.17
Savings: $2.08
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Eaton Fuller Washer Step P/N: 4304188 Eaton Fuller Washer Step P/N: 4304188
List Price: $3.17
Our Price: $1.09
Sale Price: $1.18
Savings: $2.08
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Eaton Fuller Nut P/N: DMX9-0601 or DMX90601 Eaton Fuller Nut P/N: DMX9-0601 or DMX90601
List Price: $3.17
Our Price: $1.09
Sale Price: $1.18
Savings: $2.08
Free Shipping
Eaton Fuller Steel Ball P/N: X14-250 or X14250 Eaton Fuller Steel Ball P/N: X14-250 or X14250
List Price: $3.17
Our Price: $1.09
Sale Price: $1.18
Savings: $2.08
Free Shipping
Eaton Fuller Lock Washer P/N: X3-700 or X3700 Eaton Fuller Lock Washer P/N: X3-700 or X3700
List Price: $3.17
Our Price: $1.09
Sale Price: $1.18
Savings: $2.08
Free Shipping
Spicer TTC O-Ring P/N: 30-463-9 or 304639 Spicer TTC O-Ring P/N: 30-463-9 or 304639
List Price: $3.17
Our Price: $1.09
Sale Price: $1.18
Savings: $2.08
Free Shipping
Eaton Fuller Seal Kit P/N: X-3-0603M or X30603M Eaton Fuller Seal Kit P/N: X-3-0603M or X30603M
List Price: $3.17
Our Price: $1.09
Sale Price: $1.18
Savings: $2.08
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Eaton Fuller Screw Hex Flange P/N: EAHDX-8-0625M or EAHDX80625M Eaton Fuller Screw Hex Flange P/N: EAHDX-8-0625M or EAHDX80625M
List Price: $1.26
Our Price: $1.22
Sale Price: $1.18
Savings: $0.08
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Spicer TTC Main Shaft P/N: 53-8-10U or 53810U Spicer TTC Main Shaft P/N: 53-8-10U or 53810U
List Price: $1.31
Our Price: $1.26
Sale Price: $1.21
Savings: $0.10
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Eaton Fuller Castle Nut P/N: X2-500 or X2500 Eaton Fuller Castle Nut P/N: X2-500 or X2500
List Price: $3.25
Our Price: $1.15
Sale Price: $1.23
Savings: $2.10
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Eaton Fuller Lock Washer P/N: X3-403 or X3403 Eaton Fuller Lock Washer P/N: X3-403 or X3403
List Price: $3.25
Our Price: $1.15
Sale Price: $1.23
Savings: $2.10
Free Shipping
Eaton Fuller Pan Head Screw P/N: X8-213 or X8213 Eaton Fuller Pan Head Screw P/N: X8-213 or X8213
List Price: $3.25
Our Price: $1.15
Sale Price: $1.23
Savings: $2.10
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Eaton Fuller Snap Ring P/N: EAHD10000977 Eaton Fuller Snap Ring P/N: EAHD10000977
List Price: $1.36
Our Price: $1.30
Sale Price: $1.25
Savings: $0.11
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Eaton Fuller Actuating Spring P/N: 4304048 Eaton Fuller Actuating Spring P/N: 4304048
List Price: $3.29
Our Price: $1.19
Sale Price: $1.26
Savings: $2.10
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