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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
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Stock
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
C28428GREEN
$11.99 USD
Billet Machined Realistic Front Panel & Grill for Traxxas TRX-4 Defender Save 73%

Billet Machined Realistic Front Panel & Grill for Traxxas TRX-4 Defender

In stock
C28424GUN
$16.20 USD $59.99
Save 73%
Billet Machined Realistic Front Panel & Grill for Traxxas TRX-4 Defender Save 73%

Billet Machined Realistic Front Panel & Grill for Traxxas TRX-4 Defender

In stock
C28424BLACK
$16.20 USD $59.99
Save 73%
Off-Road Mud Flaps Dirt Guards for Traxxas TRX-4 Scale & Trail Crawler Save 73%

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

In stock
C28419
$9.72 USD $35.99
Save 73%
Alloy Front Skid Plate for Traxxas TRX-4 Scale & Trail Crawler Sold out

Alloy Front Skid Plate for Traxxas TRX-4 Scale & Trail Crawler

Sold out
C28418GUN
$16.99 USD
Alloy Front Skid Plate for Traxxas TRX-4 Scale & Trail Crawler Sold out

Alloy Front Skid Plate for Traxxas TRX-4 Scale & Trail Crawler

Sold out
C28418BLUE
$16.99 USD
Alloy Center Skid Plate for Traxxas TRX-4 Scale & Trail Crawler Save 10%

Alloy Center Skid Plate for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28416SILVER
$18.89 USD $20.99
Save 10%
Alloy Center Skid Plate for Traxxas TRX-4 Scale & Trail Crawler

Alloy Center Skid Plate for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28416GUN
$20.99 USD
Alloy Center Skid Plate for Traxxas TRX-4 Scale & Trail Crawler

Alloy Center Skid Plate for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28416BLUE
$20.99 USD
Alloy Center Skid Plate for Traxxas TRX-4 Scale & Trail Crawler

Alloy Center Skid Plate for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28415GUN
$25.99 USD
Alloy Center Skid Plate for Traxxas TRX-4 Scale & Trail Crawler

Alloy Center Skid Plate for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28415BLUE
$25.99 USD
Alloy Center Skid Plate for Traxxas TRX-4 Scale & Trail Crawler

Alloy Center Skid Plate for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28415BLACK
$25.99 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
C28413GUNSILVER
$8.10 USD $29.99
Save 73%
Billet Machined Realistic Front Grill Set for Traxxas TRX-4 Defender Save 64%

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

In stock
C28413BLACKSILVER
$10.80 USD $29.99
Save 64%
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
C28411SILVER
$45.99 USD
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
Anti Roll Stabilizer Sway Bar Kit for Traxxas TRX-4 Off-Road Truck

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

In stock
C28411BLUE
$45.99 USD
Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler (12.8-in WB) Save 15%

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

In stock
C28410
$42.49 USD $49.99
Save 15%
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
C28402SILVER
$3.24 USD $11.99
Save 73%
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=20-25mm) Save 73%

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

In stock
C28402GUN
$3.24 USD $11.99
Save 73%
Alloy Adjustable Length Steering Servo Horn 25T for Traxxas TRX-4 (r=20-25mm) Save 11%

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

In stock
C28402BLUE
$10.67 USD $11.99
Save 11%
Alloy Adjustable Length Steering Servo Horn 25T for Traxxas TRX-4 (r=20-25mm) Save 10%

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

In stock
C28402BLACK
$10.79 USD $11.99
Save 10%
Alloy Adjustable Length Steering Servo Horn 25T for Traxxas TRX-4 (r=16-21mm) Save 51%

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

In stock
C28401SILVER
$5.88 USD $11.99
Save 51%
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 Adjustable Length Steering Servo Horn 25T for Traxxas TRX-4 (r=16-21mm) Save 52%

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

In stock
C28401GUN
$5.76 USD $11.99
Save 52%
Alloy Adjustable Length Steering Servo Horn 25T for Traxxas TRX-4 (r=16-21mm) Save 37%

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

In stock
C28401BLUE
$7.55 USD $11.99
Save 37%
Alloy Adjustable Length Steering Servo Horn 25T for Traxxas TRX-4 (r=16-21mm) Save 10%

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

In stock
C28401BLACK
$10.79 USD $11.99
Save 10%
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
C28400SILVER
$3.24 USD $11.99
Save 73%
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%
Alloy Machined Fixed Length Steering Servo Horn 25T for Traxxas TRX-4 (r=22mm) Save 71%

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

In stock
C28400GUN
$3.48 USD $11.99
Save 71%
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
C28400BLUE
$3.24 USD $11.99
Save 73%
Realistic Metal Armor Plates for Traxxas TRX-4 Tactical Unit Save 73%

Realistic Silver Metal Armor Plates for Traxxas TRX-4 Tactical Unit

In stock
C28399SILVER
$16.20 USD $59.99
Save 73%
Realistic Black Metal Armor Plate Upgrades for Traxxas TRX-4 RC Tactical Unit Save 66%

Realistic Black Metal Armor Plate Upgrades for Traxxas TRX-4 RC Tactical Unit

In stock
C28399BLACK
$20.40 USD $59.99
Save 66%
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
C28394GUN
$69.99 USD
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
C28394BLACK
$62.99 USD $69.99
Save 10%
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
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
C28383GUN
$39.99 USD
Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler 12.3in & 12.8in WB

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

In stock
C28383BLUE
$39.99 USD
Billet Machined Center Drive Shafts for Traxxas TRX-4 Crawler 12.3in & 12.8in WB

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

In stock
C28383BLACK
$39.99 USD
Steel Rear Axle Drive Shafts Upgrade for Traxxas TRX-4 Scale & Trail Crawler Save 63%

Steel Rear Axle Drive Shafts for Traxxas TRX-4 Scale & Trail Crawler 8230 8231

In stock
C28333
$4.81 USD $12.99
Save 63%
Replacement Parts for C28205 Save 15%

Replacement Parts for C28205 | TRX-4 Crawler

In stock
C28296GUN
$14.44 USD $16.99
Save 15%
Replacement Parts for C28205 Save 10%

Replacement Parts for C28205 | TRX-4 Crawler

In stock
C28295GUN
$11.69 USD $12.99
Save 10%
Replacement Parts for C28240, C28241, C28244 & C28246 Save 62%

Replacement Parts for C28240, C28241, C28244 & C28246 | TRX-4 Crawler

In stock
C28268
$0.76 USD $1.99
Save 62%
LED Multi-Function Lighting System Standard Version for TRX-4 Defender Body Save 56%

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

In stock
C28257
$33.44 USD $75.99
Save 56%
Billet Machined 2.2 Size D6 Spoke Wheels w/ +3 Adapters for Traxxas TRX-4

Billet Machined 2.2 Size D6 Spoke Wheels w/ +3 Adapters for Traxxas TRX-4

In stock
C28253SILVER
$79.99 USD
Billet Machined 2.2 Size 14 Spoke Wheels w/ +3 Adapters for Traxxas TRX-4 Save 11%

Billet Machined 2.2 Size 14 Spoke Wheels w/ +3 Adapters for Traxxas TRX-4

In stock
C28252SILVER
$88.99 USD $99.99
Save 11%
Billet Machined 2.2 Size 14 Spoke Wheels w/ +3 Adapters for Traxxas TRX-4 Save 11%

Billet Machined 2.2 Size 14 Spoke Wheels w/ +3 Adapters for Traxxas TRX-4

In stock
C28252GUN
$88.99 USD $99.99
Save 11%
Billet Machined 2.2 Size 14 Spoke Wheels w/ +3 Adapters for Traxxas TRX-4 Save 6%

Billet Machined 2.2 Size 14 Spoke Wheels w/ +3 Adapters for Traxxas TRX-4

In stock
C28252BLACK
$93.99 USD $99.99
Save 6%
Alloy 12mm Hex-to-6 Bolt Wheel Hub 12mm Thick +6 Offset for Traxxas TRX-4 Save 55%

Alloy 12mm Hex-to-6 Bolt Wheel Hub 12mm Thick +6 Offset for Traxxas TRX-4

In stock
C28251
$10.35 USD $22.99
Save 55%
Alloy 12mm Hex-to-6 Bolt Wheel Hub 6mm Thick 0 Offset for Traxxas TRX-4 Save 16%

Alloy 12mm Hex-to-6 Bolt Wheel Hub 6mm Thick 0 Offset for Traxxas TRX-4

In stock
C28250
$19.31 USD $22.99
Save 16%
Realistic Scale Metal Headlight Guards (2) for Traxxas TRX-4 Defender Save 35%

Realistic Scale Metal Headlight Guards (2) for Traxxas TRX-4 Defender

In stock
C28249
$16.89 USD $25.99
Save 35%
Realistic Scale Large Fuel Filler for Traxxas TRX-4 Defender Save 73%

Realistic Scale Large Fuel Filler for Traxxas TRX-4 Defender

In stock
C28248
$1.62 USD $5.99
Save 73%
Realistic Scale External Hood Latches (2) for Traxxas TRX-4 Defender Save 73%

Realistic Scale External Hood Latches (2) for Traxxas TRX-4 Defender

In stock
C28247
$2.16 USD $7.99
Save 73%
Realistic Scale External Door Hinges (4) for Traxxas TRX-4 Defender Save 73%

Realistic Scale External Door Hinges (4) for Traxxas TRX-4 Defender

In stock
C28246
$1.62 USD $5.99
Save 73%
Realistic Scale External Door Handles (4) for Traxxas TRX-4 Defender Save 64%

Realistic Scale External Door Handles (4) for Traxxas TRX-4 Defender

In stock
C28245
$3.60 USD $9.99
Save 64%
Realistic Scale Open-Type Hood Vents for Traxxas TRX-4 Defender Save 73%

Realistic Scale Open-Type Hood Vents for Traxxas TRX-4 Defender

In stock
C28244
$2.70 USD $9.99
Save 73%
Realistic Scale Front Windshield Wipers for Traxxas TRX-4 Defender Save 73%

Realistic Scale Front Windshield Wipers for Traxxas TRX-4 Defender

In stock
C28243
$2.70 USD $9.99
Save 73%
Integy C28242 product image Save 73%

Realistic Scale Recessed Pocket Fuel Filler for Traxxas TRX-4 Defender

In stock
C28242
$1.62 USD $5.99
Save 73%
Integy C28241 RC product image Save 73%

Realistic Scale Mesh-Type Hood Vents for Traxxas TRX-4 Defender

In stock
C28241
$3.51 USD $12.99
Save 73%
Realistic Scale Body Accessories for Traxxas TRX-4 Defender Save 68%

Realistic Scale Body Accessories for Traxxas TRX-4 Defender

In stock
C28240
$10.56 USD $32.99
Save 68%
Thermo Controlled ESC Cooling Kit for Traxxas TRX-4 Scale & Trail Crawler Save 73%

Thermo Controlled ESC Cooling Kit for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28239
$8.10 USD $29.99
Save 73%
Alloy Machined 12mm Hex Wheel (4) Hub 9mm Thick for Traxxas TRX-4 Scale Crawler Save 9%

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

In stock
C28238SILVER
$8.18 USD $8.99
Save 9%
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 9mm Thick for Traxxas TRX-4 Scale Crawler

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

In stock
C28238ORANGE
$8.99 USD
Alloy Machined 12mm Hex Wheel (4) Hub 9mm Thick for Traxxas TRX-4 Scale Crawler Save 28%

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

In stock
C28238GUN
$6.47 USD $8.99
Save 28%
Alloy Machined 12mm Hex Wheel (4) Hub 9mm Thick for Traxxas TRX-4 Scale Crawler

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

In stock
C28238BLUE
$8.99 USD
Alloy Machined 12mm Hex Wheel (4) Hub 9mm Thick for Traxxas TRX-4 Scale Crawler

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

In stock
C28238BLACK
$8.99 USD
Alloy Machined 12mm Hex Wheel (4) Hub 5mm Thick for Traxxas TRX-4 Scale Crawler Save 25%

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

In stock
C28237SILVER
$6.74 USD $8.99
Save 25%
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%
Alloy Machined 12mm Hex Wheel (4) Hub 5mm Thick for Traxxas TRX-4 Scale Crawler Save 73%

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

In stock
C28237ORANGE
$2.43 USD $8.99
Save 73%
Alloy Machined 12mm Hex Wheel (4) Hub 5mm Thick for Traxxas TRX-4 Scale Crawler Save 54%

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

In stock
C28237GUN
$4.14 USD $8.99
Save 54%