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Synchronizers & Parts

Our Fuller 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 Fuller 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 - 27 of 27 results
Fuller 1st/2nd Synchronizer Assembly, A-6135
Fuller 1st/2nd Synchronizer Assembly, A-6135
MSRP: $124.49
Our Price: $114.92
You Save: $9.57 (8 %)
Fuller 1st/2nd Synchronizer Assembly, A-6135
1st/2nd Synchronizer Assembly 60 Gear Teeth
Fuller 1st/2nd Synchronizer Assembly, A-7934
Fuller 1st/2nd Synchronizer Assembly, A-7934
MSRP: $209.40
Our Price: $196.73
You Save: $12.67 (6 %)
Fuller 1st/2nd Synchronizer Assembly, A-7934
1st/2nd Synchronizer Assembly Fuller 5406/6406/8406 Series application 60 Teeth
Fuller 1st/2nd Synchronizer Cup Kit, K-7050
Fuller 1st/2nd Synchronizer Cup Kit, K-7050
MSRP: $182.56
Our Price: $168.53
You Save: $14.03 (8 %)
Fuller 1st/2nd Synchronizer Cup Kit, K-7050
1st/2nd Synchronizer Cup Kit Fuller 6206/6306 Midrange Series application
Fuller 1st/2nd Synchronizer Cup , 4301465
Fuller 1st/2nd Synchronizer Cup, 4301465
MSRP: $37.99
Our Price: $35.37
You Save: $2.62 (7 %)
Fuller 1st/2nd Synchronizer Cup, 4301465
1st/2nd Synchronizer Cup Fuller 5406/6205/6406 Series application Fuller 6206/63065 Midrange Series application 60 Teeth
Fuller 3rd/4th Synchronizer Assembly, A-6136
Fuller 3rd/4th Synchronizer Assembly, A-6136
MSRP: $194.72
Our Price: $144.24
You Save: $50.48 (26 %)
Fuller 3rd/4th Synchronizer Assembly, A-6136
3rd/4th Synchronizer Assembly 60 Gear Teeth
Fuller 3rd/4th Synchronizer Assembly, A-6156
Fuller 3rd/4th Synchronizer Assembly, A-6156
MSRP: $102.46
Our Price: $97.11
You Save: $5.35 (5 %)
Fuller 3rd/4th Synchronizer Assembly, A-6156
3rd/4th Synchronizer Assembly 60 Gear Teeth
Fuller Synchronizer Assembly, A-5692
Fuller Synchronizer Assembly, A-5692
MSRP: $112.41
Our Price: $111.46
You Save: $0.95 (1 %)
Fuller Synchronizer Assembly, A-5692
Synchronizer Assembly Fuller 5106 Series application 37 Teeth
Fuller Synchronizer Assembly, A-5693
Fuller Synchronizer Assembly, A-5693
MSRP: $114.05
Our Price: $75.03
You Save: $39.02 (34 %)
Fuller Synchronizer Assembly, A-5693
Synchronizer Assembly 26 Teeth Fuller 5005/6206 Midrange Series application Fuller 4005/5106 Series application
Fuller Synchronizer Assembly, A-5721
Fuller Synchronizer Assembly, A-5721
MSRP: $130.83
Our Price: $127.43
You Save: $3.40 (3 %)
Fuller Synchronizer Assembly, A-5721
Synchronizer Assembly 37 Teeth Fuller 5106 Series application Fuller 6206 Midrange Series application
Fuller Synchronizer Assembly, A-5725
Fuller Synchronizer Assembly, A-5725
MSRP: $244.37
Our Price: $160.77
You Save: $83.60 (34 %)
Fuller Synchronizer Assembly, A-5725
Synchronizer Assembly Fuller 6206 Midrange Series application 37 Teeth
Fuller Synchronizer Assembly, A-6154
Fuller Synchronizer Assembly, A-6154
MSRP: $114.97
Our Price: $112.97
You Save: $2.00 (2 %)
Fuller Synchronizer Assembly, A-6154
Synchronizer Assembly 60 Gear Teeth
Fuller Synchronizer Assembly, A-6608
Fuller Synchronizer Assembly, A-6608
MSRP: $101.14
Our Price: $96.80
You Save: $4.34 (4 %)
Fuller Synchronizer Assembly, A-6608
Synchronizer Assembly Fuller 6306 Midrange Series application Fuller 4005/4205/5205/5406/6205 Series application 54 Teeth
Fuller Synchronizer Assembly, K-2448
Fuller Synchronizer Assembly, K-2448
MSRP: $162.42
Our Price: $155.44
You Save: $6.98 (4 %)
Fuller Synchronizer Assembly, K-2448
Synchronizer Assembly Big Pin K-1948 Type
Fuller Synchronizer Clutch, 4303386
Fuller Synchronizer Clutch, 4303386
MSRP: $98.94
Our Price: $65.09
You Save: $33.85 (34 %)
Fuller Synchronizer Clutch, 4303386
Synchronizer Clutch Used in EF25510 Kit Fuller RT 14718 / 18918 application
Fuller Synchronizer Cup, 4301466
Fuller Synchronizer Cup, 4301466
MSRP: $20.98
Our Price: $19.86
You Save: $1.12 (5 %)
Fuller Synchronizer Cup, 4301466
Synchronizer Cup Fuller 5406/6205/6406 Series application Fuller 6206/63065 Midrange Series application 60 Teeth
Fuller Synchronizer Cup, 4301467
Fuller Synchronizer Cup, 4301467
MSRP: $21.98
Our Price: $20.60
You Save: $1.38 (6 %)
Fuller Synchronizer Cup, 4301467
Synchronizer Cup Fuler 4205/6205/6305/6406 Series application Fuller 5005/5205/6305/6306 Midrange Series application 54 Teeth
Fuller Synchronizer Kit, K-2444
Fuller Synchronizer Kit, K-2444
MSRP: $168.69
Our Price: $110.98
You Save: $57.71 (34 %)
Fuller Synchronizer Kit, K-2444
Synchronizer Kit Includes, 1 900128 and, 1 900129 Synchronizer Assemblies, 3 ef25380 Springs RT 610 / 6610 / 6609 / 8609 Application
Fuller Synchronizer Kit, K-2446
Fuller Synchronizer Kit, K-2446
MSRP: $165.92
Our Price: $109.16
You Save: $56.76 (34 %)
Fuller Synchronizer Kit, K-2446
Synchronizer Kit Big Pin w/o Clutch K-1946 Type FullerRT/RTO/RTOO/RTLO 14613 and 14813
Fuller Synchronizer Kit, K-3200
Fuller Synchronizer Kit, K-3200
MSRP: $160.71
Our Price: $156.53
You Save: $4.18 (3 %)
Fuller Synchronizer Kit, K-3200
Synchronizer Kit Includes, 1 EF25410 Clutch RT 11613, 12713, 12913, 14713, 14913, 16713, 16913, 18913, 20913 Application RT/RTLO 14718, 16718, 18718, 14918, 16918, 18918, 20918, 22918 Application
Fuller Synchronizer Kit, K-3421
Fuller Synchronizer Kit, K-3421
MSRP: $199.53
Our Price: $131.27
You Save: $68.26 (34 %)
Fuller Synchronizer Kit, K-3421
Synchronizer Kit Fuller4205 Series application Fuller 5005/5205/6206/6306 Midrange Series application
Fuller Synchronizer Kit, K-3495
Fuller Synchronizer Kit, K-3495
MSRP: $260.88
Our Price: $171.63
You Save: $89.25 (34 %)
Fuller Synchronizer Kit, K-3495
Synchronizer Kit FRO/RT/RTO 14210, 15210, 16210, 18210 application
Fuller Synchronizer Kit, K-3496
Fuller Synchronizer Kit, K-3496
MSRP: $309.24
Our Price: $303.88
You Save: $5.36 (2 %)
Fuller Synchronizer Kit, K-3496
Synchronizer Kit Big Pin w/ Clutch Fuller 14610 Series application
Fuller Synchronizer Kit, K-7051
Fuller Synchronizer Kit, K-7051
MSRP: $162.86
Our Price: $161.49
You Save: $1.37 (1 %)
Fuller Synchronizer Kit, K-7051
3rd/4th Synchronizer Kit Fuller 6206/6306 Midrange Series application Fuller 5406/6205/6406 Series application
Fuller Synchronizer Sliding Clutch, 16241
Fuller Synchronizer Sliding Clutch, 16241
MSRP: $74.35
Our Price: $72.56
You Save: $1.79 (2 %)
Fuller Synchronizer Sliding Clutch, 16241
Synchronizer Sliding Clutch 18 Teeth 16 Teeth Fuller RT 610 Series Application
Fuller Synchronizer, A-6609
Fuller Synchronizer, A-6609
MSRP: $77.65
Our Price: $76.99
You Save: $0.66 (1 %)
Fuller Synchronizer, A-6609
Synchronizer Assembly Fuller FS 4205A / 5205A Transmission application
Fuller Synchronizer, K-2445
Fuller Synchronizer, K-2445
MSRP: $91.13
Our Price: $88.76
You Save: $2.37 (3 %)
Fuller Synchronizer, K-2445
Synchronizer Kit Small Pin K-1945 Type Fuller Transmission application
Fuller Synchronizer, K-2447
Fuller Synchronizer, K-2447
MSRP: $258.00
Our Price: $169.74
You Save: $88.26 (34 %)
Fuller Synchronizer, K-2447
Synchronizer Kit Big Pin K-1947 Type Fuller Transmission application