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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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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 Rear Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler Save 73%

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

In stock
C28214RED
$7.29 USD $26.99
Save 73%
Billet Machined Steering Servo Horn 25T for Traxxas TRX-4 (r=20, 24mm) Save 47%

Billet Machined Steering Servo Horn 25T for Traxxas TRX-4 (r=20, 24mm)

In stock
C30327RED
$3.17 USD $5.99
Save 47%
Billet Machined Alloy Front Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler Save 35%

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

In stock
C28215RED
$13.64 USD $20.99
Save 35%
Billet Machined Alloy Body Mount for Traxxas TRX-4 Scale & Trail Crawler Save 18%

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

In stock
C27974RED
$17.21 USD $20.99
Save 18%
12mm Hex Wheel (4) Hub Alloy 12mm Thick for Traxxas TRX-4 Scale & Trail Crawler Save 10%

12mm Hex Wheel (4) Hub Alloy 12mm Thick for Traxxas TRX-4 Scale & Trail Crawler

In stock
C30011RED
$9.89 USD $10.99
Save 10%
Machined Alloy Front Portal Housings & Uprights for Traxxas 1/10 TRX-4

Machined Alloy Front Portal Housings & Uprights for Traxxas 1/10 TRX-4

In stock
C28201RED
$69.99 USD
Billet Machined Alloy Rear Portal Drive Housing Set w/ Mount for Traxxas TRX-4 Save 21%

Billet Machined Alloy Rear Portal Drive Housing Set w/ Mount for Traxxas TRX-4

In stock
C28153RED
$47.39 USD $59.99
Save 21%
Billet Machined Alloy Differential Case for Traxxas TRX-4 Crawler Save 68%

Billet Machined Alloy Differential Case for Traxxas TRX-4 Crawler

In stock
C28131RED
$9.60 USD $29.99
Save 68%
Billet Alloy Rear Chassis Crossmember for Traxxas TRX-4 Scale & Trail Crawler Save 50%

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

In stock
C28045RED
$13.50 USD $26.99
Save 50%
Realistic Front Alloy Bumper w/ Winch & LED for Traxxas TRX-4 w/ 43mm Mount Save 16%

Realistic Front Alloy Bumper w/ Winch & LED for Traxxas TRX-4 w/ 43mm Mount

In stock
C28030BLACKRED
$83.99 USD $99.99
Save 16%
Billet Machined Front Shock Tower for Traxxas TRX-4 (82024-4, 82056-4 & 82066-4) Save 39%

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

In stock
C27976RED
$24.39 USD $39.99
Save 39%
Realistic Reclinable Racing Sport Seat for 1/10 Scale RC Vehicles Save 21%

Realistic Reclinable Racing Sport Seat for 1/10 Scale RC Vehicles | TRX-4 Crawle...

In stock
C30162RED
$10.26 USD $12.99
Save 21%
Realistic Front Alloy Bumper w/ LED for Traxxas TRX-4 w/ 43mm Mount

Red Realistic Front Alloy Bumper w/ LED for Traxxas TRX-4 w/ 43mm Mount

In stock
C32442RED
$59.99 USD
Alloy Machined Shifting Servo Horn Set for Traxxas 1/10 TRX-4 Scale Crawler Sold out

Red Alloy Machined Shifting Servo Horn Set for Traxxas 1/10 TRX-4 Crawler | TRX-...

Sold out
C32192RED
$7.99 USD
Shifting 25T Servo Savers & Servo Mounting Braces for TRX-4 & SCX10 III Save 16%

Shifting 25T Servo Savers & Servo Mounting Braces for TRX-4 & SCX10 III

In stock
C32137RED
$10.91 USD $12.99
Save 16%
Alloy Machined Side Step for Traxxas TRX-4 Ford Bronco 2021

Alloy Machined Side Step for Traxxas TRX-4 Ford Bronco 2021

In stock
C31683RED
$29.99 USD
Alloy Door Handles Add-On for Traxxas TRX-4 Ford Bronco Save 68%

Alloy Door Handles Add-On for Traxxas TRX-4 2021 Ford Bronco

In stock
C31514RED
$5.44 USD $16.99
Save 68%
Motor Clamp Mount + Twin Cooling Fan for TRX-4 & SCX10 (Motor: 36mm O.D.) Save 54%

Motor Clamp Mount + Twin Cooling Fan for TRX-4 & SCX10 (Motor: 36mm O.D.)

In stock
C31366RED
$9.66 USD $20.99
Save 54%
Alloy Center Gearbox Mounting Plate Chassis Brace for Traxxas TRX-4

Alloy Center Gearbox Mounting Plate Chassis Brace for Traxxas TRX-4

In stock
C31101RED
$24.99 USD
Alloy Rear Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler Save 40%

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

In stock
C31037RED
$10.19 USD $16.99
Save 40%
Alloy Front Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler

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

In stock
C31036RED
$12.99 USD
Alloy Machined Front Steering Servo Mount for Traxxas TRX-4 Crawler Save 20%

Alloy Machined Front Steering Servo Mount for Traxxas TRX-4 Crawler

In stock
C31029RED
$10.39 USD $12.99
Save 20%
Realistic Rubber Cargo Net 174x135mm for 1/10 Scale Crawler Save 18%

Realistic Rubber Cargo Net 174x135mm for 1/10 Scale Crawler | TRX-4 Crawler | SC...

In stock
C31002RED
$9.01 USD $10.99
Save 18%
Alloy F&R Upper Shock Mount Lift Kit for Traxxas TRX-4 82024-4, 82056-4, 82066-4

Alloy F&R Upper Shock Mount Lift Kit for Traxxas TRX-4 82024-4, 82056-4, 82066-4

In stock
C30973RED
$24.99 USD
Metal Spare Tire Cover BBQ Grate for Traxxas D90 TRX-4 & Redcat Everest Gen7 Pro Save 63%

Metal Spare Tire Cover BBQ Grate for Traxxas D90 TRX-4 & Redcat Everest Gen7 Pro

In stock
C30970
$4.07 USD $10.99
Save 63%
Billet Machined Center Gearbox Housing for Traxxas TRX-4 Scale & Trail Crawler Save 11%

Billet Machined Center Gearbox Housing for Traxxas TRX-4 Scale & Trail Crawler

In stock
C30359RED
$44.49 USD $49.99
Save 11%
Billet Machined Steering Servo Horn 25T for Traxxas TRX-4 (r=18, 22mm) Save 64%

Billet Machined Steering Servo Horn 25T for Traxxas TRX-4 (r=18, 22mm)

In stock
C30326RED
$2.52 USD $6.99
Save 64%
Billet Machined Alloy T-Lock Servo Mount for Traxxas TRX-4 Scale & Trail Crawler Save 54%

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

In stock
C30274RED
$9.66 USD $20.99
Save 54%
Billet Machined T2 Motor Mount for Traxxas TRX-4 Scale & Trail Crawler

Billet Machined T2 Motor Mount for Traxxas TRX-4 Scale & Trail Crawler

In stock
C30179RED
$35.99 USD
Alloy Machined Steering Servo Horn 25T for Traxxas TRX-4 (r=18, 22mm) Save 55%

Alloy Machined Steering Servo Horn 25T for Traxxas TRX-4 (r=18, 22mm)

In stock
C30160RED
$1.80 USD $3.99
Save 55%
Billet Machined Shifting Servo Horn Set for Traxxas 1/10 TRX-4 Scale Crawler Save 18%

Billet Machined Shifting Servo Horn Set for Traxxas 1/10 TRX-4 Scale Crawler

In stock
C30128RED
$10.65 USD $12.99
Save 18%
Alloy Motor Mount + Cooling Fan for TRX-4 & SCX10 (Motor: 36mm O.D.) Save 16%

Alloy Motor Mount + Cooling Fan for TRX-4 & SCX10 (Motor: 36mm O.D.)

In stock
C30116RED
$17.63 USD $20.99
Save 16%
Alloy Front & Rear Portal, Axle Housings & Uprights for Traxxas TRX-4 Crawler

Alloy Front & Rear Portal, Axle Housings & Uprights for Traxxas TRX-4 Crawler

In stock
C30088RED
$129.99 USD
12mm Hex Wheel (4) Hub Alloy 14mm Thick for Traxxas TRX-4 Scale & Trail Crawler

12mm Hex Wheel (4) Hub Alloy 14mm Thick for Traxxas TRX-4 Scale & Trail Crawler

In stock
C30013RED
$10.99 USD
12mm Hex Wheel (4) Hub Alloy 13mm Thick for Traxxas TRX-4 Scale & Trail Crawler Save 34%

12mm Hex Wheel (4) Hub Alloy 13mm Thick for Traxxas TRX-4 Scale & Trail Crawler

In stock
C30012RED
$7.25 USD $10.99
Save 34%
12mm Hex Wheel (4) Hub Alloy 11mm Thick for Traxxas TRX-4 Scale & Trail Crawler Save 21%

12mm Hex Wheel (4) Hub Alloy 11mm Thick for Traxxas TRX-4 Scale & Trail Crawler

In stock
C30010RED
$8.68 USD $10.99
Save 21%
12mm Hex Wheel (4) Hub Alloy 10mm Thick for Traxxas TRX-4 Scale & Trail Crawler Save 43%

12mm Hex Wheel (4) Hub Alloy 10mm Thick for Traxxas TRX-4 Scale & Trail Crawler

In stock
C30009RED
$6.26 USD $10.99
Save 43%
12mm Hex Wheel (4) Hub Alloy 8mm Thick for Traxxas TRX-4 Scale & Trail Crawler Save 34%

12mm Hex Wheel (4) Hub Alloy 8mm Thick for Traxxas TRX-4 Scale & Trail Crawler

In stock
C30008RED
$7.25 USD $10.99
Save 34%
Realistic Alloy Brake Disc Set for Traxxas 1/10 TRX-4 Trail Crawler

Realistic Alloy Brake Disc Set for Traxxas 1/10 TRX-4 Trail Crawler

In stock
C29937RED
$29.99 USD
Special Replacement Front Bracket for C28556 Save 15%

Special Replacement Front Bracket for C28556 | TRX-4 Crawler

In stock
C29100RED
$9.34 USD $10.99
Save 15%
Complete Alloy Motor Mount Conversion Set for TRX-4 Scale & Trail Crawler Sold out

Complete Alloy Motor Mount Conversion Set for TRX-4 Scale & Trail Crawler

Sold out
C28717RED
$49.99 USD
Alloy Motor Mount w/ Cooling Fan for TRX-4 Scale & Trail Crawler Save 47%

Alloy Motor Mount w/ Cooling Fan for TRX-4 Scale & Trail Crawler

In stock
C28714RED
$26.49 USD $49.99
Save 47%
Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler (12.8in WB) Save 33%

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

In stock
C28694RED
$33.49 USD $49.99
Save 33%
T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4

T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4

In stock
C28589RED
$149.99 USD
Realistic Front Alloy Bumper for Traxxas TRX-4 w/ 43mm Mount

Realistic Front Alloy Bumper for Traxxas TRX-4 w/ 43mm Mount

In stock
C28578RED
$59.99 USD
Alloy Machined Side Step Plate Set for Traxxas TRX-4 Scale & Trail Crawler Sold out

Alloy Machined Side Step Plate Set for Traxxas TRX-4 Scale & Trail Crawler

Sold out
C28576RED
$32.99 USD
Billet Machined Alloy Servo Horn 25T for Traxxas TRX-4 (r=9mm) Save 16%

Billet Machined Alloy Servo Horn 25T for Traxxas TRX-4 (r=9mm)

In stock
C28570RED
$8.39 USD $9.99
Save 16%
Front Sled Ski Attachment Set for Traxxas TRX-4 (for RWD Operation) Save 33%

Front Sled Ski Attachment Set for Traxxas TRX-4 (for RWD Operation)

In stock
C28554RED
$33.49 USD $49.99
Save 33%
Realistic Front Alloy Bumper w/ Winch & LED for Traxxas TRX-4 w/ 43mm Mount

Realistic Front Alloy Bumper w/ Winch & LED for Traxxas TRX-4 w/ 43mm Mount

In stock
C28491BLACKRED
$79.99 USD
Realistic Front Alloy Bumper w/ Winch & LED for Traxxas TRX-4 w/ 43mm Mount

Realistic Front Alloy Bumper w/ Winch & LED for Traxxas TRX-4 w/ 43mm Mount

In stock
C28489BLACKRED
$79.99 USD
Billet Machined Center Gearbox Housings for Traxxas TRX-4 Scale & Trail Crawler Save 9%

Machined Red Center Gearbox Housings for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28486RED
$63.69 USD $69.99
Save 9%
Alloy Machined Side Step Plate Set for Traxxas TRX-4 Defender & Sport Sold out

Alloy Machined Side Step Plate Set for Traxxas TRX-4 Defender & Sport

Sold out
C28485RED
$29.99 USD
Billet Machined Alloy Steering Servo Horn 25T for Traxxas TRX-4 (r=22mm) Save 37%

Red Billet Machined Alloy Steering Servo Horn 25T for Traxxas TRX-4 (r=22mm)

In stock
C28428RED
$7.55 USD $11.99
Save 37%
Anti Roll Stabilizer Sway Bar Kit for Traxxas TRX-4 Off-Road Truck Sold out

Anti Roll Stabilizer Sway Bar Kit for Traxxas TRX-4 Off-Road Truck

Sold out
C28411RED
$45.99 USD
Alloy Adjustable Length Steering Servo Horn 25T for Traxxas TRX-4 (r=20-25mm) Save 73%

Alloy Adjustable length Steering Servo Horn 25T for Traxxas TRX-4 (r=20-25mm)

In stock
C28402RED
$3.24 USD $11.99
Save 73%
Alloy Adjustable Length Steering Servo Horn 25T for Traxxas TRX-4 (r=16-21mm) Save 22%

Alloy Adjustable length Steering Servo Horn 25T for Traxxas TRX-4 (r=16-21mm)

In stock
C28401RED
$9.35 USD $11.99
Save 22%
Alloy Machined Fixed Length Steering Servo Horn 25T for Traxxas TRX-4 (r=22mm) Save 73%

Alloy Machined Fixed length Steering Servo Horn 25T for Traxxas TRX-4 (r=22mm)

In stock
C28400RED
$3.24 USD $11.99
Save 73%
Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler 12.3in & 12.8in WB Sold out

Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler 12.3in & 12.8in WB

Sold out
C28383RED
$39.99 USD
Alloy Machined 12mm Hex Wheel (4) Hub 9mm Thick for Traxxas TRX-4 Scale Crawler Save 43%

Alloy Machined 12mm Hex Wheel (4) Hub 9mm Thick for Traxxas TRX-4 Scale Crawler

In stock
C28238RED
$5.12 USD $8.99
Save 43%
Alloy Machined 12mm Hex Wheel (4) Hub 5mm Thick for Traxxas TRX-4 Scale Crawler Save 72%

Alloy Machined 12mm Hex Wheel (4) Hub 5mm Thick for Traxxas TRX-4 Scale Crawler

In stock
C28237RED
$2.52 USD $8.99
Save 72%
Machined Alloy 2 Speed Servo Mount for Traxxas TRX-4 Scale & Trail Crawler

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

In stock
C28236RED
$20.99 USD
Adjustable Rear Body Mount & Post Set for Traxxas TRX-4 Scale & Trail Crawler Save 33%

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

In stock
C28234RED
$19.42 USD $28.99
Save 33%
Adjustable Front Body Mount & Post Set for Traxxas TRX-4 Scale & Trail Crawler Save 45%

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

In stock
C28233RED
$13.74 USD $24.99
Save 45%
Alloy Machined Battery Plate for Traxxas 1/10 TRX-4 Crawler & 4-Tec 2.0 Save 47%

Red Alloy Machined Battery Plate for Traxxas 1/10 TRX-4 Crawler & 4-Tec 2.0 | 3....

In stock
C28232RED
$13.24 USD $24.99
Save 47%
Alloy & Composite Battery Plate for Traxxas 1/10 TRX-4 Crawler & 4-Tec 2.0 Save 16%

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

In stock
C28231RED
$20.99 USD $24.99
Save 16%
Billet Machined Alloy Body Mounts (2) for Traxxas TRX-4 Scale & Trail Crawler Save 22%

Billet Machined Alloy Body Mounts (2) for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28213RED
$23.39 USD $29.99
Save 22%
Billet Machined High Performance Shock (2) for Traxxas TRX-4 Scale Crawler

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

In stock
C28205RED
$29.99 USD
Billet Machined Rear Shock Tower for Traxxas TRX-4 (82024-4, 82056-4 & 82066-4) Save 5%

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

In stock
C28204RED
$28.49 USD $29.99
Save 5%
Billet Machined Front Shock Tower for Traxxas TRX-4 (82024-4, 82056-4 & 82066-4) Save 18%

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

In stock
C28203RED
$24.59 USD $29.99
Save 18%
Alloy Machined Steering & Suspension Linkage Set(10) for 1/10 TRX-4 (12.8-in WB)

Alloy Machined Steering & Suspension Linkage Set(10) for 1/10 TRX-4 (12.8-in WB)

In stock
C28195RED
$69.99 USD
Spare Tire Cover for Traxxas D90 TRX-4 & Redcat Everest Gen7 Pro Save 14%

Spare Tire Cover for Traxxas D90 TRX-4 & Redcat Everest Gen7 Pro

In stock
C28190
$9.45 USD $10.99
Save 14%
Billet Machined Alloy Servo Horn 25T for Traxxas TRX-4 (r=22mm) Save 16%

Billet Machined Alloy Servo Horn 25T for Traxxas TRX-4 (r=22mm)

In stock
C28139RED
$7.55 USD $8.99
Save 16%