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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.

12 total products 1 filter active

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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.

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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
Caster Block
Stock, color & sort
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Stock
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 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
Brass Alloy 57g Each Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler Save 16%

Brass Alloy 57g Each Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

In stock
C29880
$25.19 USD $29.99
Save 16%
Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler Save 43%

Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28087SILVER
$17.09 USD $29.99
Save 43%
Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler Save 50%

Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28087RED
$15.00 USD $29.99
Save 50%
Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler Save 43%

Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

In stock
C28087GUN
$17.09 USD $29.99
Save 43%
Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler Save 37%

Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27973SILVER
$25.19 USD $39.99
Save 37%
Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler Save 45%

Red Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27973RED
$21.99 USD $39.99
Save 45%
Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler Save 32%

Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27973GREY
$27.19 USD $39.99
Save 32%
Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27973GREEN
$39.99 USD
Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler Sold out

Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

Sold out
C27973BLUE
$39.99 USD
Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

Billet Machined Alloy Caster Blocks for Traxxas TRX-4 Scale & Trail Crawler

In stock
C27973BLACK
$39.99 USD