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Hop-up Parts for Traxxas 1/10 TRX-4 Scale and Trail Crawler

Shop aftermarket parts for Traxxas TRX-4 1/10 scale crawlers, including drive shafts, steering hardware, suspension components and setup tools. Check the vehicle version and each product’s stated fitment. For interiors, lighting and scale details, explore our TRX-4 accessories selection.

119 total products 1 filter active

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Choose a part type or color for this vehicle. Use Switch model only when you want a different vehicle; stock is controlled above.

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Compatible models
1/10 Bandit 2WD 1/10 Bigfoot M/T 1/10 Drag Slash T-Maxx 3.3 #4907/#4908 / E-Maxx #3903/#3905/#3908 1/10 E-Revo (-2017) / Revo / Slayer 1/10 E-REVO 2.0 (2018+) 1/10 Hoss 4x4 1/10 Jato 2.5 / 3.3 Buggy 1/16 Mini Slash 4X4 1/10 Monster Jam 1/10 Nitro Rustler 1/10 Nitro Slash 2WD 1/10 Rustler 2WD 1/10 Rustler 4x4 (-2023) 1/10 Rustler 4x4 BL-2s 1/10 Slash 2WD (-2021) 1/10 Slash 2WD (2022+) 1/10 Slash 4X4 (-2023) 1/10 Slash 4X4 BL-2s 1/10 Slash 4X4 LCG (-'23) 1/10 ST Rally (-2023) 1/10 ST Rally BL-2s 1/10 Stampede 2WD (-2025) 1/10 Stampede 4X4 (-'23) 1/10 Stampede 4X4 BL-2s 1/10 Summit 1/10 Telluride 4x4 1/10 TRX-4 Crawler 1/10 TRX-6 Crawler 1/16 E-Revo / Slash / Summit / Rally 1/16 Mini Maxx 1/16 Mini XRT 1/18 LaTrax Rally 1/18 LaTrax SST 1/18 LaTrax Teton 1/18 TRX-4M Crawler 1/5 Pro Scale Sand Car 1/5 X-Maxx 4X4 1/5 X-Maxx w/WideMaxx 1/10 Maxx 4S / Maxx V2 WideMaxx 1/6 XRT 8S 1/7 Unlt. Desert Racer 1/8 Jato 4X4 Buggy 1/8 Maxx Slash 6S 1/8 Sledge 4WD
Part type / Color
Red
Stock, color & sort
Quick filters
Stock
Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler Save 50%

Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28087RED
$15.00 USD $29.99
Save 50%
Machined Alloy Front Inner Portal Drive Housings for Traxxas TRX-4 Crawler Save 10%

Machined Alloy Front Inner Portal Drive Housings for Traxxas TRX-4 Crawler

In stock
C28086RED
$26.99 USD $29.99
Save 10%
Billet Alloy Front Steering Servo Mount for Traxxas TRX-4 Scale & Trail Crawler Save 38%

Billet Alloy Front Steering Servo Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28085RED
$16.73 USD $26.99
Save 38%
Billet Machined Alloy Rear Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler Save 25%

Billet Machined Alloy Rear Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28084RED
$20.24 USD $26.99
Save 25%
Billet Machined Alloy Front Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler Save 16%

Billet Machined Alloy Front Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28083RED
$20.99 USD $24.99
Save 16%
Billet Machined Motor Mounting Plate for Traxxas TRX-4 Scale & Trail Crawler Save 16%

Billet Machined Motor Mounting Plate for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28082RED
$10.91 USD $12.99
Save 16%
Billet Machined Alloy Rear Portal Drive Axle Mount for Traxxas TRX-4 Crawler Save 16%

Billet Machined Alloy Rear Portal Drive Axle Mount for Traxxas TRX-4 Crawler

In stock
C28081RED
$20.99 USD $24.99
Save 16%
Billet Alloy Portal Outer Housings for Traxxas TRX-4 Scale & Trail Crawler Save 58%

Billet Alloy Portal Outer Housings for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28080RED
$12.18 USD $28.99
Save 58%
Billet Machined Alloy Rear Inner Portal Drive Housings for Traxxas TRX-4 Crawler Save 17%

Billet Machined Alloy Rear Inner Portal Drive Housings for Traxxas TRX-4 Crawler

In stock
C28079RED
$24.06 USD $28.99
Save 17%
Billet Machined Alloy T-Lock Servo Mount for Traxxas TRX-4 Scale & Trail Crawler Save 16%

Billet Machined Alloy T-Lock Servo Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28078RED
$25.19 USD $29.99
Save 16%
Realistic 1/10 Bow Shackle (4) for Traxxas TRX-4 Scale & Trail Crawler Save 16%

Realistic 1/10 Bow Shackle (4) for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28077RED
$10.91 USD $12.99
Save 16%
Billet Machined Alloy Battery Plate for Traxxas 1/10 TRX-4 Crawler & 4-Tec 2.0

Billet Machined Alloy Battery Plate for Traxxas 1/10 TRX-4 Crawler & 4-Tec 2.0 |...

In stock
C28076RED
$20.99 USD
Billet Alloy Rear Chassis Crossmember for Traxxas TRX-4 Scale & Trail Crawler Save 73%

Billet Alloy Rear Chassis Crossmember for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28075RED
$7.29 USD $26.99
Save 73%
Billet Machined Anodized Shock Parts for Traxxas TRX-4 Scale & Trailer Crawler

Billet Machined Anodized Shock Parts for Traxxas TRX-4 Scale & Trailer Crawler

In stock
C28055RED
$16.99 USD
Billet Machined High Performance Shock (2) for Traxxas TRX-4 Scale Crawler Save 5%

Billet Machined High Performance Shock (2) for Traxxas TRX-4 Scale Crawler

In stock
C28051RED
$28.49 USD $29.99
Save 5%
Billet Machined Alloy Front Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler

Billet Machined Alloy Front Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28050RED
$20.99 USD
Billet Machined Alloy Rear Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler

Billet Machined Alloy Rear Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28049RED
$26.99 USD
Billet Alloy Rear Chassis Crossmember for Traxxas TRX-4 Scale & Trail Crawler Save 73%

Billet Alloy Rear Chassis Crossmember for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28048RED
$7.29 USD $26.99
Save 73%
Billet Alloy Front Steering Servo Mount for Traxxas TRX-4 Scale & Trail Crawler Save 73%

Billet Alloy Front Steering Servo Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28047RED
$7.29 USD $26.99
Save 73%
Billet Alloy Front Steering Servo Mount for Traxxas TRX-4 Scale & Trail Crawler Save 50%

Billet Alloy Front Steering Servo Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28046RED
$13.50 USD $26.99
Save 50%
Billet Machined Alloy Battery Plate for Traxxas 1/10 TRX-4 Crawler & 4-Tec 2.0 Save 16%

Billet Machined Alloy Battery Plate for Traxxas 1/10 TRX-4 Crawler & 4-Tec 2.0 |...

In stock
C28038RED
$17.63 USD $20.99
Save 16%
Billet Machined Shock Tower Set for Traxxas TRX-4 (82024-4, 82056-4 & 82066-4) Sold out

Billet Machined Shock Tower Set for Traxxas TRX-4 (82024-4, 82056-4 & 82066-4)

Sold out
C28022RED
$59.99 USD
Realistic 1/10 Bow Shackle (4) for Traxxas TRX-4 Scale & Trail Crawler Sold out

Realistic 1/10 Bow Shackle (4) for Traxxas TRX-4 Scale & Trail Crawler

Sold out
C28021RED
$12.99 USD
Billet Machined Motor Mounting Plate for Traxxas TRX-4 Scale & Trail Crawler Save 60%

Billet Machined Motor Mounting Plate for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28020RED
$5.20 USD $12.99
Save 60%
Billet Machined Rear Axle Housing for Traxxas TRX-4 Scale & Trail Crawler Save 16%

Billet Machined Rear Axle Housing for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28002RED
$67.19 USD $79.99
Save 16%
Alloy & Composite Battery Plate for Traxxas 1/10 TRX-4 Crawler & 4-Tec 2.0 Save 33%

Alloy & Composite Battery Plate for Traxxas 1/10 TRX-4 Crawler & 4-Tec 2.0 | 3.0

In stock
C28000RED
$20.09 USD $29.99
Save 33%
Adjustable Rear Body Mount & Post Set for Traxxas TRX-4 Scale & Trail Crawler Save 61%

Adjustable Rear Body Mount & Post Set for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27999RED
$15.60 USD $39.99
Save 61%
Adjustable Front Body Mount & Post Set for Traxxas TRX-4 Scale & Trail Crawler

Adjustable Front Body Mount & Post Set for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27998RED
$29.99 USD
Billet Machined Counterweight (2) for Traxxas TRX-4 Scale & Trail Crawler Save 33%

Billet Machined Counterweight (2) for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27997RED
$26.79 USD $39.99
Save 33%
Billet Machined Alloy Rear Portal Drive Axle Mount for Traxxas TRX-4 Crawler Save 42%

Billet Machined Alloy Rear Portal Drive Axle Mount for Traxxas TRX-4 Crawler

In stock
C27991RED
$17.39 USD $29.99
Save 42%
Billet Machined Alloy Rear Inner Portal Drive Housings for Traxxas TRX-4 Crawler Save 73%

Billet Machined Alloy Rear Inner Portal Drive Housings for Traxxas TRX-4 Crawler

In stock
C27990RED
$8.10 USD $29.99
Save 73%
Machined Alloy Front Inner Portal Drive Housings for Traxxas TRX-4 Crawler Save 30%

Machined Alloy Front Inner Portal Drive Housings for Traxxas TRX-4 Crawler

In stock
C27989RED
$32.19 USD $45.99
Save 30%
Billet Machined Motor Mounting Plate for Traxxas TRX-4 Scale & Trail Crawler Save 72%

Billet Machined Motor Mounting Plate for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27982RED
$7.28 USD $25.99
Save 72%
Billet Alloy Rear Chassis Crossmember for Traxxas TRX-4 Scale & Trail Crawler Save 33%

Billet Alloy Rear Chassis Crossmember for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27979RED
$18.08 USD $26.99
Save 33%
Billet Alloy Front Steering Servo Mount for Traxxas TRX-4 Scale & Trail Crawler Save 73%

Billet Alloy Front Steering Servo Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27978RED
$7.29 USD $26.99
Save 73%
Billet Machined Rear Shock Tower for Traxxas TRX-4 (82024-4, 82056-4 & 82066-4) Save 30%

Billet Machined Rear Shock Tower for Traxxas TRX-4 (82024-4, 82056-4 & 82066-4)

In stock
C27977RED
$27.99 USD $39.99
Save 30%
Billet Alloy Portal Outer Housings for Traxxas TRX-4 Scale & Trail Crawler Save 73%

Billet Alloy Portal Outer Housings for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27975RED
$8.10 USD $29.99
Save 73%
Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler Save 45%

Red Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27973RED
$21.99 USD $39.99
Save 45%
Machined Alloy 2 Speed Servo Mount for Traxxas TRX-4 Scale & Trail Crawler Save 21%

Machined Alloy 2 Speed Servo Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27972RED
$16.58 USD $20.99
Save 21%
Billet Machined Alloy Rear Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler Save 22%

Billet Machined Alloy Rear Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27971RED
$21.05 USD $26.99
Save 22%
Billet Machined Alloy Front Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler Save 25%

Billet Machined Alloy Front Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27970RED
$20.24 USD $26.99
Save 25%
Billet Machined Alloy Rear Axle Mount for Traxxas TRX-4 Scale & Trail Crawler Save 41%

Billet Machined Alloy Rear Axle Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27969RED
$15.92 USD $26.99
Save 41%
Billet Machined Alloy Front Axle Mount for Traxxas TRX-4 Scale & Trail Crawler Save 73%

Billet Machined Alloy Front Axle Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27968RED
$7.29 USD $26.99
Save 73%
Billet Machined Alloy T-Lock Servo Mount for Traxxas TRX-4 Scale & Trail Crawler Save 39%

Billet Machined Alloy T-Lock Servo Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27967RED
$30.49 USD $49.99
Save 39%
Portal Axle Counterweight Add-On (2) for Traxxas TRX-4 Scale & Trail Crawler Save 50%

Portal Axle Counterweight Add-On (2) for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27939RED
$25.00 USD $49.99
Save 50%
Portal Axle Counterweight Add-On (2) for Traxxas TRX-4 Scale & Trail Crawler Save 40%

Portal Axle Counterweight Add-On (2) for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27938RED
$29.99 USD $49.99
Save 40%
Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler (12.8-inch WB)

Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler (12.8-inch WB)

In stock
C27926RED
$35.99 USD