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

Enhance your Traxxas 1/10 TRX-4 Scale and Trail Crawler with our premium selection of hop-up parts. Designed specifically for the 1/10 TRX-4 Crawler, our range of upgrades will take your RC experience to the next level. From performance-boosting components to stylish accessories, find everything you need to customize and optimize your crawler. Explore our collection and transform your Traxxas TRX-4 into the ultimate off-road machine.

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
M4 Threaded Axle Screw Pins (10) Length=12mm Save 31%

M4 Threaded Axle Screw Pins (10) length=12mm | Slash 4X4 (-2023 Non-LCG) | Stampede 2WD | Slash 2WD (-2021) | Stampede 4X4 | SCX-10 | Summit | SCX10 II | TRX-4 | Rustler 4X4 (-2023) | Maxx 4S | TRX-6 | SCX10 III | Rustler 2WD (XL5, VXL)

In stock
C31452
$3.44 $4.99
Save 31%
QuickPit Ball End (7mm+) Tool w/ 1/4 Inch Drive Hex Adapter Save 16%

QuickPit 7mm+ Ball End Tool with 1/4 Inch Drive Hex Adapter for Fast Repairs

In stock
C33862
$6.71 $7.99
Save 16%
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 | Slash 4X4 (-2023 Non-LCG) | Slash 2WD (-2021) | E-Revo VXL, Slash VXL, Summit & Rally VXL | Stampede 4X4 (-2023) | TRX-4 Crawler

In stock
C28511
$3.99
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 Crawler

In stock
C30420
$15.99
40x40x10mm Ultra High Speed Cooling Fan w/ JST 2P Plug for 6.0-to-7.2VDC Input Save 40%

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

In stock
C28147
$10.19 $16.99
Save 40%
Steel Front Axle Drive Shafts for Traxxas TRX-4 Scale & Trail Crawler Save 78%

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

In stock
C28332
$2.86 $12.99
Save 78%
M3 Threaded Axle Screw Pins (10) Length=12mm Save 35%

M3 Threaded Axle Screw Pins (10-Pack) length = 12mm | Slash 4X4 (-2023 Non-LCG) | Stampede 2WD | Slash 2WD (-2021) | Stampede 4X4 | SCX-10 | Summit | SCX10 II | TRX-4 | Rustler 4X4 (-2023) | Maxx 4S | TRX-6 | SCX10 III | Rustler 2WD (XL5, VXL)

In stock
C31451
$3.24 $4.99
Save 35%
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
Billet Machined Steering Servo Horn 25T for Traxxas TRX-4 (r=20, 24mm) Save 42%

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

In stock
C30327RED
$3.47 $5.99
Save 42%
Elastic Roof Top Cargo Net 225x150mm for R/C Off-Road Save 78%

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

In stock
C29087
$3.08 $13.99
Save 78%
36mm Motor Heatsink+40x40mm Cooling Fan 17k rpm for 1/10 TR-MT10E & TRX-4 Save 30%

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

In stock
C28600ORANGE
$20.99 $29.99
Save 30%
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 $29.99
Save 11%
LED Rock Lights for TRX-4 Crawler with C28256 & C28257 Type Control Box Save 78%

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

In stock
C28259
$5.72 $25.99
Save 78%
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 $20.99
Save 35%
Billet Machined Alloy Rear Bumper Mount for Traxxas TRX-4 Scale & Trail Crawler Save 78%

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

In stock
C28214RED
$5.94 $26.99
Save 78%
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 $29.99
Save 23%
Billet Machined Alloy Battery Plate for Traxxas 1/10 TRX-4 Crawler & 4-Tec 2.0 Save 69%

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

In stock
C28038GUN
$6.51 $20.99
Save 69%
Adjustable Front Body Mount & Post Set for Traxxas TRX-4 Scale & Trail Crawler Save 20%

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

In stock
C27998BLACK
$23.99 $29.99
Save 20%
Billet Machined Alloy Body Mount for Traxxas TRX-4 Scale & Trail Crawler Save 23%

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

In stock
C27974RED
$16.16 $20.99
Save 23%
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 | SCX-10 | EXO | SCX10 II | TRX-4 | TRX-6 | SCX10 III

In stock
C30018
$7.11 $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 | SCX-10 | EXO | SCX10 II | TRX-4 | TRX-6 | SCX10 III

In stock
C30016
$5.35 $7.99
Save 33%
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-10 | SCX10 II | SCX10 III

In stock
C32223
$39.99
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
Replacement Part Clutch Pad for C28198 Save 52%

Replacement Part Clutch Pad for C28198 | TRX-4 Crawler

In stock
C32590
$1.92 $3.99
Save 52%
Motor Clamp Mount + Twin Cooling Fan for TRX-4 & SCX10 (Motor: 36mm O.D.) Save 73%

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

In stock
C31366BLUE
$5.67 $20.99
Save 73%
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
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
Metal Portal Drive Output Gears Type 8528 for Traxxas TRX-4 Save 34%

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

In stock
C30623
$9.89 $14.99
Save 34%
Billet Machined T2 Motor Mount for Traxxas TRX-4 Scale & Trail Crawler Save 31%

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

In stock
C30179GREY
$24.83 $35.99
Save 31%
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
Replacement Ball Bearing & Hardware Set for Traxxas TRX-4 Save 35%

Replacement Ball Bearing & Hardware Set for Traxxas TRX-4

In stock
C30070
$21.44 $32.99
Save 35%
12mm Hex Wheel (4) Hub Alloy 12mm Thick for Traxxas TRX-4 Scale & Trail Crawler Save 15%

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

In stock
C30011RED
$9.34 $10.99
Save 15%
LED Multi-Function Lighting Kit for Traxxas 1/10 TRX-4

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

In stock
C29936
$27.99
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
Billet Machined Front Axle Housing for Traxxas TRX-4 Scale & Trail Crawler Save 25%

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

In stock
C28706GUN
$59.99 $79.99
Save 25%
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 $129.99
Save 3%
Billet Machined Front Portal, Axle Housings & Uprights for Traxxas TRX-4 Crawler Save 46%

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

In stock
C28704BLACK
$70.19 $129.99
Save 46%
Machined Alloy Front Portal Housings & Uprights for Traxxas 1/10 TRX-4 Save 41%

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

In stock
C28698BLACK
$41.29 $69.99
Save 41%
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 $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 $59.99
Save 3%
Billet Machined Front Head Light Housings for Traxxas TRX-4 Ford Bronco Save 78%

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

In stock
C28470
$5.72 $25.99
Save 78%
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
Billet Machined Realistic Front Grill Set for Traxxas TRX-4 Defender Save 78%

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

In stock
C28413BLACK
$6.60 $29.99
Save 78%
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
LED Multi-Function Lighting System SMD Version for TRX-4 Defender Body Save 53%

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

In stock
C28256
$37.60 $79.99
Save 53%
Alloy Machined Battery Plate for Traxxas 1/10 TRX-4 Crawler & 4-Tec 2.0 Save 78%

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

In stock
C28232GUN
$5.50 $24.99
Save 78%
Billet Machined High Performance Shock (2) for Traxxas TRX-4 Scale Crawler Save 56%

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

In stock
C28205BLUE
$13.20 $29.99
Save 56%
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
Alloy Machined Steering & Suspension Linkage Set(10) for 1/10 TRX-4 (12.8-in WB) Save 33%

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

In stock
C28195ORANGE
$46.89 $69.99
Save 33%
Billet Machined Alloy Rear Portal Drive Housing Set w/ Mount for Traxxas TRX-4 Save 26%

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

In stock
C28153RED
$44.39 $59.99
Save 26%
Billet Machined Alloy Differential Case for Traxxas TRX-4 Crawler Save 73%

Billet Machined Alloy Differential Case for Traxxas TRX-4 Crawler

In stock
C28131RED
$8.10 $29.99
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
C28055GUN
$16.99
Billet Alloy Rear Chassis Crossmember for Traxxas TRX-4 Scale & Trail Crawler Save 55%

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

In stock
C28045RED
$12.15 $26.99
Save 55%
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
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 $99.99
Save 16%
Adjustable Rear Body Mount & Post Set for Traxxas TRX-4 Scale & Trail Crawler Save 32%

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

In stock
C27999BLACK
$27.19 $39.99
Save 32%
Billet Machined Center Gearbox Housings for Traxxas TRX-4 Scale & Trail Crawler Save 44%

Billet Machined Center Gearbox Housings for Traxxas TRX-4 Crawler 82056-4 8291

In stock
C27993BLUE
$44.79 $79.99
Save 44%
Billet Machined Front Shock Tower for Traxxas TRX-4 (82024-4, 82056-4 & 82066-4) Save 44%

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

In stock
C27976RED
$22.39 $39.99
Save 44%
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
C27970BLACK
$26.99
Titanium Linkage Set for Traxxas TRX-4 Scale & Trail Crawler (12.8-in WB) Save 78%

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

In stock
C27940
$15.40 $69.99
Save 78%
Portal Axle Counterweight Add-On (2) for Traxxas TRX-4 Scale & Trail Crawler Save 78%

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

In stock
C27938BLUE
$11.00 $49.99
Save 78%
Steel Alloy 129-191mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler Save 16%

Steel Alloy 129-191mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler | SCX-10 | RR10 Bomber | SCX10 II | TRX-4 | TRX-6 | SCX10 III

In stock
C31738
$17.63 $20.99
Save 16%
Steel Alloy 120-171mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler Save 7%

Steel Alloy 120-171mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler | SCX-10 | RR10 Bomber | SCX10 II | TRX-4 | TRX-6 | SCX10 III

In stock
C31737
$19.52 $20.99
Save 7%
Steel Alloy 105-152mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler Save 16%

Steel Alloy 105-152mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler | SCX-10 | RR10 Bomber | SCX10 II | TRX-4 | TRX-6 | SCX10 III

In stock
C31736
$17.63 $20.99
Save 16%
Steel Alloy 95-124mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler Save 16%

Steel Alloy 95-124mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler | SCX-10 | RR10 Bomber | SCX10 II | TRX-4 | TRX-6 | SCX10 III

In stock
C31735
$17.63 $20.99
Save 16%
Steel Alloy 84-112mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler

Steel Alloy 84-112mm Center Drive Shaft for 1/10 Off-Road Crawler, Silver | SCX-10 | RR10 Bomber | SCX10 II | TRX-4 | TRX-6 | SCX10 III

In stock
C31734
$20.99
Steel Alloy 68-85mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler Save 10%

Steel Alloy 68-85mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler | SCX-10 | RR10 Bomber | SCX10 II | TRX-4 | TRX-6 | SCX10 III

In stock
C31733
$18.89 $20.99
Save 10%
Steel Alloy 120-171mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler

Steel Alloy 120-171mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler | SCX-10 | RR10 Bomber | SCX10 II | TRX-4 | TRX-6 | SCX10 III

In stock
C31731
$20.99
Steel Alloy 105-152mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler Save 16%

Steel Alloy 105-152mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler | SCX-10 | RR10 Bomber | SCX10 II | TRX-4 | TRX-6 | SCX10 III

In stock
C31730
$17.63 $20.99
Save 16%
Steel Alloy 95-124mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler Sold out

Steel Alloy 95-124mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler | SCX-10 | RR10 Bomber | SCX10 II | TRX-4 | TRX-6 | SCX10 III

Sold out
C31729
$18.89 $20.99
Save 10%
Steel Alloy 84-112mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler Save 16%

Steel Alloy 84-112mm Center Drive Shaft w/ 5mm I.D. for 1/10 Off-Road Crawler | SCX-10 | RR10 Bomber | SCX10 II | TRX-4 | TRX-6 | SCX10 III

In stock
C31728
$17.63 $20.99
Save 16%
M4 Threaded Axle Screw Pins (6) Length=12mm Save 16%

M4 Threaded Axle Screw Pins (6) length=12mm | Slash 4X4 (-2023 Non-LCG) | Stampede 2WD | Slash 2WD (-2021) | Stampede 4X4 | SCX-10 | Summit | SCX10 II | TRX-4 | Rustler 4X4 (-2023) | Maxx 4S | TRX-6 | SCX10 III | Rustler 2WD (XL5, VXL)

In stock
C31751
$3.35 $3.99
Save 16%