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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
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Billet Machined Alloy Rear Portal Drive Housing Set w/ Mount for Traxxas TRX-4 Save 52%

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

In stock
C28699BLACK
$28.80 USD $59.99
Save 52%
Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler (12.8in WB) Save 67%

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

In stock
C28694SILVER
$16.50 USD $49.99
Save 67%
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%
Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler (12.8in WB) Save 30%

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

In stock
C28694GREY
$34.99 USD $49.99
Save 30%
Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler (12.8in WB) Save 25%

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

In stock
C28694GREEN
$37.49 USD $49.99
Save 25%
Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler (12.8in WB) Save 73%

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

In stock
C28694BLUE
$13.50 USD $49.99
Save 73%
Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler (12.8in WB) Save 73%

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

In stock
C28694BLACK
$13.50 USD $49.99
Save 73%
Replacement Part for C28016GUN Save 73%

Replacement Part for C28016GUN | TRX-4 Crawler

In stock
C28661
$1.62 USD $5.99
Save 73%
36mm Motor Heatsink+40x40mm Cooling Fan 17k rpm for 1/10 TR-MT10E & TRX-4 Save 38%

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

In stock
C28600SILVER
$18.59 USD $29.99
Save 38%
36mm Motor Heatsink+40x40mm Cooling Fan 17k rpm for 1/10 TR-MT10E & TRX-4 Save 32%

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

In stock
C28600GREY
$20.39 USD $29.99
Save 32%
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
C28600GREEN
$22.49 USD $29.99
Save 25%
36mm Motor Heatsink+40x40mm Cooling Fan 16k rpm for 1/10 TR-MT10E & TRX-4 Save 36%

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

In stock
C28599ORANGE
$17.91 USD $27.99
Save 36%
T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4 Save 22%

T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4

In stock
C28589SILVER
$116.99 USD $149.99
Save 22%
T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4

T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4

In stock
C28589RED
$149.99 USD
T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4 Save 27%

T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4

In stock
C28589ORANGE
$109.49 USD $149.99
Save 27%
T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4 Save 33%

T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4

In stock
C28589GREY
$100.49 USD $149.99
Save 33%
T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4 Save 16%

T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4

In stock
C28589GREEN
$125.99 USD $149.99
Save 16%
T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4 Save 33%

T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4

In stock
C28589BLUE
$100.49 USD $149.99
Save 33%
T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4 Sold out

T3 Snowmobile & Sandmobile Conversion for Traxxas TRX-4

Sold out
C28589BLACK
$149.99 USD
Adjustable Rebound Piggyback Shock (4) for Traxxas TRX-4 Scale & Trail Crawler

Adjustable Rebound Piggyback Shock (4) for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28580SILVER
$79.99 USD
Adjustable Rebound Piggyback Shock (4) for Traxxas TRX-4 Scale & Trail Crawler Save 9%

Adjustable Rebound Piggyback Shock (4) for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28580GREEN
$72.79 USD $79.99
Save 9%
Adjustable Rebound Piggyback Shock (4) for Traxxas TRX-4 Scale & Trail Crawler

Adjustable Rebound Piggyback Shock (4) for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28580BLUE
$79.99 USD
Adjustable Rebound Piggyback Shock (4) for Traxxas TRX-4 Scale & Trail Crawler Save 16%

Adjustable Rebound Piggyback Shock (4) for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28580BLACK
$67.19 USD $79.99
Save 16%
Realistic Rear Alloy Bumper for Traxxas TRX-4 w/ 43mm Mount

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

In stock
C28579GREEN
$59.99 USD
Realistic Rear Alloy Bumper for Traxxas TRX-4 w/ 43mm Mount Save 8%

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

In stock
C28579BLUE
$55.19 USD $59.99
Save 8%
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
Realistic Front Alloy Bumper for Traxxas TRX-4 w/ 43mm Mount

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

In stock
C28578GREEN
$59.99 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
C28578BLUE
$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
Alloy Machined Side Step Plate Set for Traxxas TRX-4 Scale & Trail Crawler Save 16%

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

In stock
C28576GREY
$27.71 USD $32.99
Save 16%
Alloy Machined Side Step Plate Set for Traxxas TRX-4 Scale & Trail Crawler

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

In stock
C28576GREEN
$32.99 USD
Billet Machined Alloy Servo Horn 25T for Traxxas TRX-4 (r=9mm) Save 31%

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

In stock
C28570SILVER
$6.89 USD $9.99
Save 31%
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%
Billet Machined Alloy Servo Horn 25T for Traxxas TRX-4 (r=9mm) Save 52%

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

In stock
C28570GREY
$4.80 USD $9.99
Save 52%
Billet Machined Alloy Servo Horn 25T for Traxxas TRX-4 (r=9mm) Save 66%

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

In stock
C28570GREEN
$3.40 USD $9.99
Save 66%
Billet Machined Alloy Servo Horn 25T for Traxxas TRX-4 (r=9mm) Save 5%

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

In stock
C28570BLUE
$9.49 USD $9.99
Save 5%
Billet Machined Alloy Servo Horn 25T for Traxxas TRX-4 (r=9mm) Save 46%

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

In stock
C28570BLACK
$5.39 USD $9.99
Save 46%
Alloy Machined 400mm Snowplow Kit for Traxxas TRX-4 Save 8%

Alloy Machined 400mm Snowplow Kit for Traxxas TRX-4

In stock
C28556SILVER
$128.79 USD $139.99
Save 8%
Alloy Machined 400mm Snowplow Kit for Traxxas TRX-4

Alloy Machined 400mm Snowplow Kit for Traxxas TRX-4

In stock
C28556GREY
$139.99 USD
Alloy Machined 400mm Snowplow Kit for Traxxas TRX-4 Save 10%

Alloy Machined 400mm Snowplow Kit for Traxxas TRX-4

In stock
C28556GREEN
$125.99 USD $139.99
Save 10%
Alloy Machined 400mm Snowplow Kit for Traxxas TRX-4 Save 3%

Alloy Machined 400mm Snowplow Kit for Traxxas TRX-4

In stock
C28556BLUE
$135.79 USD $139.99
Save 3%
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%
Front Sled Ski Attachment Set for Traxxas TRX-4 (for RWD Operation)

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

In stock
C28554GREY
$49.99 USD
Front Sled Ski Attachment Set for Traxxas TRX-4 (for RWD Operation) Save 16%

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

In stock
C28554GREEN
$41.99 USD $49.99
Save 16%
Front Sled Ski Attachment Set for Traxxas TRX-4 (for RWD Operation)

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

In stock
C28554BLUE
$49.99 USD
Realistic Rear Mount Exhaust System for Traxxas 1/10 TRX-4 Save 69%

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

In stock
C28498
$8.06 USD $25.99
Save 69%
Alloy Machined High Performance Transmission Gear Upgrade Set for Traxxas TRX-4 Save 3%

Alloy Machined High Performance Transmission Gear Upgrade Set for Traxxas TRX-4

In stock
C28494
$29.09 USD $29.99
Save 3%
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 Save 16%

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

In stock
C28491BLACK
$67.19 USD $79.99
Save 16%
Realistic Front Alloy Bumper w/ LED for Traxxas TRX-4 w/ 43mm Mount Save 29%

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

In stock
C28490BLACK
$35.49 USD $49.99
Save 29%
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
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
C28489BLACK
$79.99 USD
Billet Machined Alloy Differential Cover for Traxxas TRX-4 Bronco Scale Crawler Sold out

Billet Machined Alloy Differential Cover for Traxxas TRX-4 Bronco Scale Crawler

Sold out
C28488HARD
$18.26 USD $20.99
Save 13%
Billet Machined Center Gearbox Housings for Traxxas TRX-4 Scale & Trail Crawler Save 5%

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

In stock
C28486SILVER
$66.49 USD $69.99
Save 5%
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%
Billet Machined Center Gearbox Housings for Traxxas TRX-4 Scale & Trail Crawler Save 10%

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

In stock
C28486GUN
$62.99 USD $69.99
Save 10%
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
C28486BLACK
$69.99 USD
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
Alloy Machined Side Step Plate Set for Traxxas TRX-4 Defender & Sport Save 6%

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

In stock
C28485GUN
$28.19 USD $29.99
Save 6%
Alloy Machined Side Step Plate Set for Traxxas TRX-4 Defender & Sport

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

In stock
C28485BLUE
$29.99 USD
Alloy Machined Side Step Plate Set for Traxxas TRX-4 Defender & Sport

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

In stock
C28485BLACK
$29.99 USD
Off-Road Mud Flaps Dirt Guards for Traxxas TRX-4 Scale & Trail Crawler Save 16%

Off-Road Mud Flaps Dirt Guards for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28484
$30.23 USD $35.99
Save 16%
Realistic Front Alloy Bumper w/ Motorized Winch Mount for Traxxas TRX-4 Defender Save 25%

Realistic Front Alloy Bumper w/ Motorized Winch Mount for Traxxas TRX-4 Defender

In stock
C28483GUN
$37.49 USD $49.99
Save 25%
Realistic Front Alloy Bumper w/ Motorized Winch Mount for Traxxas TRX-4 Defender

Realistic Front Alloy Bumper w/ Motorized Winch Mount for Traxxas TRX-4 Defender

In stock
C28483BLACK
$49.99 USD
Realistic Front Alloy Bumper w/ Motorized Winch Mount for Traxxas TRX-4 Defender Save 30%

Realistic Front Alloy Bumper w/ Motorized Winch Mount for Traxxas TRX-4 Defender

In stock
C28482GUN
$34.99 USD $49.99
Save 30%
Realistic Front Alloy Bumper w/ Motorized Winch Mount for Traxxas TRX-4 Defender Save 16%

Realistic Front Alloy Bumper w/ Motorized Winch Mount for Traxxas TRX-4 Defender

In stock
C28482BLACK
$41.99 USD $49.99
Save 16%
Alloy Machined Side Step Plate Set for Traxxas TRX-4 Scale & Trail Crawler Save 59%

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

In stock
C28469GUN
$12.30 USD $29.99
Save 59%
Alloy Machined Side Step Plate Set for Traxxas TRX-4 Scale & Trail Crawler Save 62%

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

In stock
C28469BLACK
$11.40 USD $29.99
Save 62%
Billet Machined Steel 32P 18T Pinion Gear for Traxxas TRX-4 & Slash 4X4 Save 37%

Machined Steel 3.17mm Bore 32P 18T Pinion Gear for Traxxas TRX-4 & Slash 4X4 | S...

In stock
C28435
$5.03 USD $7.99
Save 37%
Billet Machined Alloy Steering Servo Horn 25T for Traxxas TRX-4 (r=22mm) Save 16%

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

In stock
C28428SILVER
$10.07 USD $11.99
Save 16%
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%
Billet Machined Alloy Steering Servo Horn 25T for Traxxas TRX-4 (r=22mm) Save 16%

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

In stock
C28428GREY
$10.07 USD $11.99
Save 16%