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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
QuickPit Ball End (7mm+) Tool w/ 1/4 Inch Drive Hex Adapter Save 21%

QuickPit 7mm+ Ball End Tool w/ 1/4 Inch Drive Hex Adapter for Fast Repairs | Fit...

In stock
C33862
$6.31 USD $7.99
Save 21%
M4 Threaded Axle Screw Pins (10) Length=12mm Save 31%

M4 Threaded Axle Screw Pins (10) length=12mm | Slash 4X4 (-2023 Non-LCG) | Stamp...

In stock
C31452
$3.44 USD $4.99
Save 31%
Integy C28332 RC part image Save 73%

Steel Front Axle Drive Shafts for Traxxas TRX-4 Scale & Trail Crawler 8228 8229

In stock
C28332
$3.51 USD $12.99
Save 73%
Y-Type 1-to-2 JST 2 Pin Plug Wire Harness Conversion for Traxxas ESC/Fan 150mm

Y-Type 1-to-2 JST 2 Pin Plug Wire Harness Conversion for Traxxas ESC/Fan 150mm |...

In stock
C28511
$3.99 USD
1/10 Painted Plastic 5 Seats Interior for RC Scale Crawler 370x185x55mm

1/10 Painted Plastic 5 Seats Interior for RC Scale Crawler 370x185x55mm | TRX-4 ...

In stock
C30420
$15.99 USD
Integy C28147 product image, upscaled Save 35%

40x40x10mm Ultra High Speed Cooling Fan w/ JST 2P Plug for 6.0-to-7.2VDC Input |...

In stock
C28147
$11.04 USD $16.99
Save 35%
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%
M3 Threaded Axle Screw Pins (10) Length=12mm Save 35%

M3 Threaded Axle Screw Pins (10-Pack) length = 12mm | Slash 4X4 (-2023 Non-LCG) ...

In stock
C31451
$3.24 USD $4.99
Save 35%
Realistic Rear Mount Exhaust System for Axial 1/10 SCX-10 & Traxxas TRX-4

Realistic Rear Mount Exhaust System for Axial 1/10 SCX-10 & Traxxas TRX-4

In stock
C30006
$20.99 USD
Metal Alloy Bumper Tow Shackles (2) for TRX-4 Type C28489 Front Bumper

Metal Alloy Bumper Tow Shackles (2) for TRX-4 Type C28489 Front Bumper

In stock
C31248
$7.99 USD
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%
Elastic Roof Top Cargo Net 225x150mm for R/C Off-Road Save 73%

Elastic Roof Top Cargo Net 225x150mm for R/C Off-Road | TRX-4 Crawler | SCX-10

In stock
C29087
$3.78 USD $13.99
Save 73%
36mm Motor Heatsink+40x40mm Cooling Fan 17k rpm for 1/10 TR-MT10E & TRX-4 Save 25%

36mm Motor Heatsink+40x40mm Cooling Fan 17k rpm for 1/10 TR-MT10E & TRX-4

In stock
C28600ORANGE
$22.49 USD $29.99
Save 25%
Alloy Machined Side Step Plate Set for Traxxas TRX-4 Scale & Trail Crawler Save 11%

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

In stock
C28469SILVER
$26.69 USD $29.99
Save 11%
LED Rock Lights for TRX-4 Crawler with C28256 & C28257 Type Control Box Save 73%

LED Rock Lights for TRX-4 Crawler with C28256 & C28257 Type Control Box

In stock
C28259
$7.02 USD $25.99
Save 73%
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 High Performance Shock (2) for Traxxas TRX-4 Scale Crawler Save 23%

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

In stock
C28051GUN
$23.09 USD $29.99
Save 23%
Billet Machined Alloy Battery Plate for Traxxas 1/10 TRX-4 Crawler & 4-Tec 2.0 Save 64%

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

In stock
C28038GUN
$7.56 USD $20.99
Save 64%
Adjustable Front Body Mount & Post Set for Traxxas TRX-4 Scale & Trail Crawler Save 25%

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

In stock
C27998BLACK
$22.49 USD $29.99
Save 25%
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%
M4 Threaded Axle Screw Pins (6) Length=12mm Save 21%

M4 Threaded Axle Screw Pins (6) length=12mm | Slash 4X4 (-2023 Non-LCG) | Stampe...

In stock
C31751
$3.15 USD $3.99
Save 21%
M4 Size Straight 25mm Length Ball Ends Type Tie Rod Ends, w/ 3mm Ball Links Save 11%

M4 Size Straight 25mm length Ball Ends Type Tie Rod Ends, w/ 3mm Ball Links | SC...

In stock
C30018
$7.11 USD $7.99
Save 11%
M4 Size Straight 22mm Length Ball Ends Type Tie Rod Ends, w/ 3mm Ball Links Save 33%

M4 Size Straight 22mm length Ball Ends Type Tie Rod Ends, w/ 3mm Ball Links | SC...

In stock
C30016
$5.35 USD $7.99
Save 33%
Integy C28148 product image, upscaled Save 68%

30x30x10mm Ultra High Speed Cooling Fan w/ JST 2P Plug for 6.0-to-7.2VDC Input |...

In stock
C28148
$5.44 USD $16.99
Save 68%
Realistic Alloy Rear Bumper w/ LED for TRX-4 & SCX Type Off-Road Crawler

Realistic Alloy Rear Bumper w/ LED for TRX-4 & SCX Type Off-Road Crawler | SCX-1...

In stock
C32223
$39.99 USD
Alloy Machined Front Bumper for 1/10 SCX-10 & TRX-4 Crawlers Save 16%

Alloy Machined Front Bumper for 1/10 SCX-10 & TRX-4 Crawlers

In stock
C32136
$17.63 USD $20.99
Save 16%
Magnetic Force Body Mounts for TRX-4 & Axial 1/10 SCX-10 Type Crawler

Magnetic Force Body Mounts for TRX-4 & Axial 1/10 SCX-10 Type Crawler | SCX10 II...

In stock
C31739
$29.99 USD
Realistic Front & Rear Bumper w/LED for Traxxas TRX-4 & Axial SCX10 III & SCX-10 Save 16%

Realistic Front & Rear Bumper w/LED for Traxxas TRX-4 & Axial SCX10 III & SCX-10

In stock
C30282
$58.79 USD $69.99
Save 16%
Replacement Part Clutch Pad for C28198 Save 57%

Replacement Part Clutch Pad for C28198 | TRX-4 Crawler

In stock
C32590
$1.72 USD $3.99
Save 57%
Realistic Front Alloy Bumper w/ LED for Traxxas TRX-4 w/ 43mm Mount Save 54%

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

In stock
C32442GREEN
$27.60 USD $59.99
Save 54%
Motor Clamp Mount + Twin Cooling Fan for TRX-4 & SCX10 (Motor: 36mm O.D.) Save 68%

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

In stock
C31366BLUE
$6.72 USD $20.99
Save 68%
Alloy Center Gearbox Mounting Plate Chassis Brace for Traxxas TRX-4

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

In stock
C31101BLACK
$24.99 USD
Alloy 2-Speed Gearbox Housings & Motor Mount Assembly for Traxxas TRX-4 Crawler Sold out

Alloy 2-Speed Gearbox Housings & Motor Mount Assembly for Traxxas TRX-4 Crawler

Sold out
C30968BLACK
$89.99 USD
Alloy F & R Height Adj. Shock Towers for Traxxas TRX-4 (82024-4 82056-4 82066-4)

Alloy F & R Height Adj. Shock Towers for Traxxas TRX-4 (82024-4 82056-4 82066-4)

In stock
C30696
$35.99 USD
Metal Portal Drive Output Gears Type 8528 for Traxxas TRX-4 Save 29%

Metal Portal Drive Output Gears Type 8528 for Traxxas TRX-4

In stock
C30623
$10.64 USD $14.99
Save 29%
Billet Machined T2 Motor Mount for Traxxas TRX-4 Scale & Trail Crawler Save 26%

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

In stock
C30179GREY
$26.63 USD $35.99
Save 26%
Billet Machined T2 Motor Mount for Traxxas TRX-4 Scale & Trail Crawler Save 5%

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

In stock
C30179GREEN
$34.19 USD $35.99
Save 5%
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
C30088BLACK
$129.99 USD
Replacement Ball Bearing & Hardware Set for Traxxas TRX-4 Save 30%

Replacement Ball Bearing & Hardware Set for Traxxas TRX-4

In stock
C30070
$23.09 USD $32.99
Save 30%
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%
LED Multi-Function Lighting Kit for Traxxas 1/10 TRX-4 Sold out

LED Multi-Function Lighting Kit for Traxxas 1/10 TRX-4

Sold out
C29936
$27.99 USD
Machined Alloy Battery Plate for Traxxas 1/10 TRX-4 Crawler

Machined Alloy Battery Plate for Traxxas 1/10 TRX-4 Crawler

In stock
C29494
$24.99 USD
Realistic Scale Alloy Front Windshield Wiper Kit for 1/10 Axial, Traxxas Crawler

Realistic Scale Alloy Front Windshield Wiper Kit for 1/10 Axial, Traxxas Crawler...

In stock
C29405
$16.99 USD
Alloy Machined Center Drive Shafts for TRX-4 Crawler (12.8-inch WB)

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

In stock
C29062
$20.99 USD
Billet Machined Front Axle Housing for Traxxas TRX-4 Scale & Trail Crawler Save 20%

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

In stock
C28706GUN
$63.99 USD $79.99
Save 20%
Billet Machined Rear Portal, Axle Housings & Mounts for Traxxas TRX-4 Crawler Save 3%

Billet Machined Rear Portal, Axle Housings & Mounts for Traxxas TRX-4 Crawler

In stock
C28705BLACK
$126.09 USD $129.99
Save 3%
Billet Machined Front Portal, Axle Housings & Uprights for Traxxas TRX-4 Crawler Save 41%

Billet Machined Front Portal, Axle Housings & Uprights for Traxxas TRX-4 Crawler

In stock
C28704BLACK
$76.69 USD $129.99
Save 41%
Machined Alloy Front Portal Housings & Uprights for Traxxas 1/10 TRX-4 Save 36%

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

In stock
C28698BLACK
$44.79 USD $69.99
Save 36%
36mm Motor Heatsink+40x40mm Cooling Fan 16k rpm for 1/10 TR-MT10E & TRX-4 Save 33%

36mm Motor Heatsink+40x40mm Cooling Fan 16k rpm for 1/10 TR-MT10E & TRX-4

In stock
C28599GREEN
$18.75 USD $27.99
Save 33%
Realistic Rear Alloy Bumper for Traxxas TRX-4 w/ 43mm Mount Save 23%

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

In stock
C28579GREY
$46.19 USD $59.99
Save 23%
Realistic Front Alloy Bumper for Traxxas TRX-4 w/ 43mm Mount Save 3%

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

In stock
C28578GREY
$58.19 USD $59.99
Save 3%
Realistic Front Alloy Bumper w/ LED for Traxxas TRX-4 w/ 43mm Mount Save 31%

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

In stock
C28492BLACK
$38.63 USD $55.99
Save 31%
Machined Front Universal Drive Shafts for Traxxas TRX-4 Scale & Trail Crawler Save 21%

Machined Front Universal Drive Shafts for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28487
$23.69 USD $29.99
Save 21%
Billet Machined Front Head Light Housings for Traxxas TRX-4 Ford Bronco Save 73%

Billet Machined Front Head Light Housings for Traxxas TRX-4 1979 Ford Bronco

In stock
C28470
$7.02 USD $25.99
Save 73%
Billet Machined Alloy Steering Servo Horn 25T for Traxxas TRX-4 (r=22mm)

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

In stock
C28428BLACK
$11.99 USD
Billet Machined Realistic Front Grill Set for Traxxas TRX-4 Defender Save 73%

Billet Machined Realistic Front Grill Set for Traxxas TRX-4 Defender

In stock
C28413BLACK
$8.10 USD $29.99
Save 73%
Billet Machined Center Gearbox Housings for Traxxas TRX-4 Scale & Trail Crawler

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

In stock
C28394SILVER
$69.99 USD
LED Multi-Function Lighting System SMD Version for TRX-4 Defender Body Save 48%

LED Multi-Function Lighting System SMD Version for TRX-4 Defender Body

In stock
C28256
$41.59 USD $79.99
Save 48%
Alloy Machined Battery Plate for Traxxas 1/10 TRX-4 Crawler & 4-Tec 2.0 Save 73%

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

In stock
C28232GUN
$6.75 USD $24.99
Save 73%
Billet Machined High Performance Shock (2) for Traxxas TRX-4 Scale Crawler Save 51%

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

In stock
C28205BLUE
$14.70 USD $29.99
Save 51%
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
Alloy Machined Steering & Suspension Linkage Set(10) for 1/10 TRX-4 (12.8-in WB) Save 38%

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

In stock
C28195ORANGE
$43.39 USD $69.99
Save 38%
Billet Machined 23T Output Gear (2) for Traxxas TRX-4 Scale & Trail Crawler Save 73%

Billet Machined 23T Output Gear for Traxxas TRX-4 Scale & Trail Crawler - 2 Pack

In stock
C28163
$7.02 USD $25.99
Save 73%
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 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
C28123BLUE
$39.99 USD
Billet Machined Alloy Front Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler Save 62%

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

In stock
C28083SILVER
$9.50 USD $24.99
Save 62%
Billet Machined Alloy Rear Portal Drive Axle Mount for Traxxas TRX-4 Crawler Save 5%

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

In stock
C28081GUN
$23.74 USD $24.99
Save 5%
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
C28055GUN
$16.99 USD
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%
Black Realistic Alloy Rear Bumper with LED for Traxxas TRX-4 with 43mm Mount

Black Realistic Alloy Rear Bumper with LED for Traxxas TRX-4 with 43mm Mount

In stock
C28035BLACK
$59.99 USD
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%