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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.

807 products

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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.

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
Stock, color & sort
Quick filters
Stock
Replacement Part for C28593, C28594 & C28589 Save 15%

Replacement Part for C28593, C28594 & C28589 | SCX-10 | TRX-4 Crawler

In stock
C28758
$17.84 USD $20.99
Save 15%
Alloy Machined M4 Size Wheel Nut for 1/10 Scale Traxxas RC Save 30%

Alloy Machined M4 Size Wheel Nut for 1/10 Scale Traxxas RC | TRX-4 Crawler | 4-T...

In stock
C31682BLACK
$9.09 USD $12.99
Save 30%
Metal 13T Pinion Gear for Traxxas TRX-4 Scale & Trail Crawler

Metal 3.17mm Bore 32P 13T Pinion Gear for Traxxas TRX-4 Scale & Trail Crawler | ...

In stock
OBM-037
$3.99 USD
Metal 15T Pinion Gear for Traxxas TRX-4 Scale & Trail Crawler Save 16%

Metal 3.17mm Bore 32P 15T Pinion Gear for Traxxas TRX-4 Scale & Trail Crawler | ...

In stock
OBM-036
$3.35 USD $3.99
Save 16%
Realistic Alloy Window Grill Set for Traxxas TRX-4 Scale & Trail Crawler

Realistic Alloy Window Grill Set for Traxxas TRX-4 Scale & Trail Crawler

In stock
OBM-035
$20.99 USD
Realistic Alloy Diamond Plate Overlay Panels for Traxxas TRX-4 Scale Crawler Save 73%

Realistic Alloy Diamond Plate Overlay Panels for Traxxas TRX-4 Scale Crawler

In stock
OBM-034
$5.67 USD $20.99
Save 73%
Plastic 1/10 Right Safari Snorkel for Traxxas TRX-4 Off-Road Trail Rock Crawling Save 73%

Plastic 1/10 Right Safari Snorkel for Traxxas TRX-4 Off-Road Trail Rock Crawling

In stock
OBM-033
$2.70 USD $9.99
Save 73%
Scale Tools & Accessory 18pcs Assortment for Traxxas TRX-4 Scale & Trail Crawler

Scale Tools & Accessory 18pcs Assortment for Traxxas TRX-4 Scale & Trail Crawler

In stock
OBM-017
$69.99 USD
1.9 Rock Crawler Tire (2) Set for Traxxas TRX-4 Scale & Trail Crawler O.D.=118mm Save 10%

1.9 Rock Crawler Tire (2) Set for Traxxas TRX-4 Scale & Trail Crawler O.D.=118mm

In stock
OBM-014
$11.69 USD $12.99
Save 10%
Alloy Battery Hold-Down w/ Strap for Traxxas TRX-4 & TRX-6

Alloy Battery Hold-Down with Strap for TRX-4 and TRX-6 RC Crawlers

In stock
C33859
$24.99 USD
Rubber Fender Flare (4) Protection Side Guard for 1/10 Scale Traxxas Defender

Rubber Fender Flare (4) Protection Side Guard for 1/10 Scale Traxxas Defender | ...

In stock
C33154
$20.99 USD
Replacement Clear Plastic Side Windows for C29333 Hard Plastic Body Save 23%

Replacement Clear Plastic Side Windows for C29333 Hard Plastic Body | TRX-4 Craw...

In stock
C32929
$13.08 USD $16.99
Save 23%
Replacement Clear Plastic Windshields for C29333 Hard Plastic Body Sold out

Replacement Clear Plastic Windshields for C29333 Hard Plastic Body | TRX-4 Crawl...

Sold out
C32925
$12.99 USD
HD Steel Protection Guard & Skid Plates (7) for Traxxas 1/10 TRX-4 Crawler

HD Steel Protection Guard & Skid Plates (7) for Traxxas 1/10 TRX-4 Crawler

In stock
C32858
$59.99 USD
Realistic Plastic Scale Body Kit for 1/10 Size TRX-4 Off-Road Crawler 324mm WB

Realistic Plastic Scale Body Kit for 1/10 Size TRX-4 Off-Road Crawler 324mm WB

In stock
C32750SAND
$89.99 USD
Realistic Plastic Scale Body Kit for 1/10 Size TRX-4 Off-Road Crawler 324mm WB

Realistic Plastic Scale Body Kit for 1/10 Size TRX-4 Off-Road Crawler 324mm WB

In stock
C32750BLACK
$89.99 USD
Metal Alloy Bumper Mounting Posts (2) for TRX-4 Type C28489 Front Bumper Sold out

Metal Alloy Bumper Mounting Posts (2) for TRX-4 Type C28489 Front Bumper

Sold out
C32566
$7.99 USD
Realistic Plastic Body 330mm Wheelbase Type for Traxxas 1/10 TRX-4 Off-Road Save 16%

Realistic Plastic Body 330mm Wheelbase Type for Traxxas 1/10 TRX-4 Off-Road

In stock
C32528YELLOW
$109.19 USD $129.99
Save 16%
Realistic Plastic Body 330mm Wheelbase Type for Traxxas 1/10 TRX-4 Off-Road Sold out

Realistic Plastic Body 330mm Wheelbase Type for Traxxas 1/10 TRX-4 Off-Road

Sold out
C32528WHITE
$129.99 USD
Realistic Plastic Body 330mm Wheelbase Type for Traxxas 1/10 TRX-4 Off-Road

Realistic Plastic Body 330mm Wheelbase Type for Traxxas 1/10 TRX-4 Off-Road

In stock
C32528BLACK
$129.99 USD
Realistic Front Alloy Bumper w/ LED for Traxxas TRX-4 w/ 43mm Mount Save 56%

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

In stock
C32442SILVER
$26.40 USD $59.99
Save 56%
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
Realistic Front Alloy Bumper w/ LED for Traxxas TRX-4 w/ 43mm Mount Save 40%

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

In stock
C32442ORANGE
$35.99 USD $59.99
Save 40%
Realistic Front Alloy Bumper w/ LED for Traxxas TRX-4 w/ 43mm Mount Save 36%

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

In stock
C32442GREY
$38.39 USD $59.99
Save 36%
Realistic Front Alloy Bumper w/ LED for Traxxas TRX-4 w/ 43mm Mount Save 16%

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

In stock
C32442BLUE
$50.39 USD $59.99
Save 16%
Realistic Front Alloy Bumper w/ LED for Traxxas TRX-4 w/ 43mm Mount Save 46%

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

In stock
C32442BLACK
$32.39 USD $59.99
Save 46%
Stainless Steel Linkage Set for Traxxas TRX-4 Scale & Trail Crawler (12.8-in WB) Save 16%

Stainless Steel Linkage Set for Traxxas TRX-4 Scale & Trail Crawler (12.8-in WB)

In stock
C32234
$24.35 USD $28.99
Save 16%
Realistic LED Lighting System w/ 3CH Controller for Traxxas TRX-4 LR Version

Realistic LED Lighting System w/ 3CH Controller for Traxxas TRX-4 LR Version

In stock
C32194
$29.99 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
Alloy Machined Shifting Servo Horn Set for Traxxas 1/10 TRX-4 Scale Crawler

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

In stock
C32192LIGHTBLUE
$7.99 USD
Alloy Machined Shifting Servo Horn Set for Traxxas 1/10 TRX-4 Scale Crawler Save 16%

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

In stock
C32192GUN
$6.71 USD $7.99
Save 16%
Alloy Machined Shifting Servo Horn Set for Traxxas 1/10 TRX-4 Scale Crawler

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

In stock
C32192BLUE
$7.99 USD
Alloy Machined Shifting Servo Horn Set for Traxxas 1/10 TRX-4 Scale Crawler Sold out

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

Sold out
C32192BLACK
$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%
Shifting 25T Servo Savers & Servo Mounting Braces for TRX-4 & SCX10 III Save 23%

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

In stock
C32137LIGHTBLUE
$10.00 USD $12.99
Save 23%
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
C32137BLUE
$10.91 USD $12.99
Save 16%
Brass 97g Alloy Front Bumper Mount w/ Steering Servo Mount for Traxxas TRX-4 Save 16%

Brass 97g Alloy Front Bumper Mount w/ Steering Servo Mount for Traxxas TRX-4

In stock
C31867
$21.83 USD $25.99
Save 16%
Brass Alloy 50g Each Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler Save 16%

Brass Alloy 50g Each Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

In stock
C31866
$33.59 USD $39.99
Save 16%
Brass Alloy 68g Each Front Inner Portal Drive Housings for Traxxas TRX-4 Crawler

Brass Alloy 68g Each Front Inner Portal Drive Housings for Traxxas TRX-4 Crawler

In stock
C31865
$39.99 USD
Brass Alloy 42g Each Portal Outer Housings for Traxxas TRX-4 Scale Crawler

Brass Alloy 42g Each Portal Outer Housings for Traxxas TRX-4 Scale Crawler

In stock
C31864
$32.99 USD
Alloy Machined 211mm Snowplow Kit for Traxxas TRX-4

Alloy Machined 211mm Snowplow Kit for Traxxas TRX-4

In stock
C31743
$89.99 USD
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 Machined Side Step for Traxxas TRX-4 Ford Bronco 2021 Save 72%

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

In stock
C31683BLUE
$8.40 USD $29.99
Save 72%
Alloy Machined Side Step for Traxxas TRX-4 Ford Bronco 2021 Sold out

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

Sold out
C31683BLACK
$29.99 USD
Alloy Door Handles Add-On for Traxxas TRX-4 Ford Bronco Save 16%

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

In stock
C31514SILVER
$14.27 USD $16.99
Save 16%
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%
Alloy Door Handles Add-On for Traxxas TRX-4 Ford Bronco Save 73%

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

In stock
C31514LIGHTBLUE
$4.59 USD $16.99
Save 73%
Alloy Door Handles Add-On for Traxxas TRX-4 Ford Bronco Save 53%

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

In stock
C31514GUN
$7.99 USD $16.99
Save 53%
Alloy Door Handles Add-On for Traxxas TRX-4 Ford Bronco Save 73%

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

In stock
C31514BLUE
$4.59 USD $16.99
Save 73%
Alloy Door Handles Add-On for Traxxas TRX-4 Ford Bronco

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

In stock
C31514BLACK
$16.99 USD
Rear LED Brake Light w/ Mounting Bracket for Traxxas TRX-4 Ford Bronco Save 70%

Rear LED Brake Light with Mounting Bracket for Traxxas TRX-4 2021 Ford Bronco

In stock
C31459
$7.80 USD $25.99
Save 70%
Brass 97g Alloy Front Bumper Mount w/ Steering Servo Mount for Traxxas TRX-4

Brass 97g Alloy Front Bumper Mount w/ Steering Servo Mount for Traxxas TRX-4

In stock
C31386
$29.99 USD
Front & Rear Brass+Alloy Housing Conversion Kit 1000g Total for Traxxas TRX-4 Sold out

Front & Rear Brass+Alloy Housing Conversion Kit 1000g Total for Traxxas TRX-4

Sold out
C31385
$229.99 USD
Brass Alloy 69g Each Front Inner Portal Drive Housings for Traxxas TRX-4 Crawler

Brass Alloy 69g Each Front Inner Portal Drive Housings for Traxxas TRX-4 Crawler

In stock
C31370
$37.99 USD
Brass Alloy 49g Each Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

Brass Alloy 49g Each Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

In stock
C31369
$39.99 USD
Machined Brass 42g Each Portal Cover (2) for Traxxas TRX-4 Scale & Trail Crawler

Machined Brass 42g Each Portal Cover (2) for Traxxas TRX-4 Scale & Trail Crawler

In stock
C31368
$29.99 USD
Motor Clamp Mount + Twin Cooling Fan for TRX-4 & SCX10 (Motor: 36mm O.D.) Save 41%

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

In stock
C31366SILVER
$12.38 USD $20.99
Save 41%
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%
Motor Clamp Mount + Twin Cooling Fan for TRX-4 & SCX10 (Motor: 36mm O.D.) Save 60%

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

In stock
C31366BLACK
$8.40 USD $20.99
Save 60%
Alloy Front & Rear Portal, Axle Housings & Uprights for Traxxas TRX-4 Crawler Sold out

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

Sold out
C31365BLACK
$139.99 USD
Essentials Aluminum Upgrade Set for Traxxas TRX-4 Trail Crawler

Essentials Aluminum Upgrade Set for Traxxas TRX-4 Trail Crawler

In stock
C31262GUN
$129.99 USD
Realistic Front Alloy Bumper w/ LED for Traxxas TRX-4 w/ 43mm Mount Save 22%

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

In stock
C31181GUN
$38.99 USD $49.99
Save 22%
Realistic Front Alloy Bumper w/ LED for Traxxas TRX-4 w/ 43mm Mount Save 18%

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

In stock
C31181BLACK
$40.99 USD $49.99
Save 18%
Brass Alloy 72g Total Axle Mount (6) for Traxxas TRX-6 Scale & Trail Crawler Sold out

Brass Alloy 72g Total Axle Mount (6) for Traxxas TRX-6 Scale & Trail Crawler | T...

Sold out
C31161
$49.99 USD
Brass Alloy 50g Total Axle Mount (4) for Traxxas TRX-4 Scale & Trail Crawler

Brass Alloy 50g Axle Mount Set for TRX-4 Scale & Trail Crawler (4pcs)

In stock
C31160
$35.99 USD
Alloy Center Gearbox Mounting Plate Chassis Brace for Traxxas TRX-4

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

In stock
C31101SILVER
$24.99 USD
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
Complete LED Multi-Function Light Set for Traxxas TRX-4 Crawler Save 33%

Complete LED Multi-Function Light Set for Traxxas TRX-4 Crawler

In stock
C31039
$53.59 USD $79.99
Save 33%
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 Rear Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler Save 29%

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

In stock
C31037GUN
$12.06 USD $16.99
Save 29%
Alloy Rear Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler Sold out

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

Sold out
C31037BLACK
$16.99 USD
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