1/18 TRX4M Upgrade Parts

Upgrade your TRX4M with INJORA’s high-performance parts and accessories! Compatible with the TRX4M Bronco, Defender, High Trail K10 and F150.

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From plastic bodies, aluminum axles, brass weights, and stainless links shocks to servos and motors — all designed to improve strength, performance, and control on any terrain.

INJORA has become the go-to brand for RC enthusiasts who want the best value and performance in TRX4M upgrades.. Find your next upgrade today and take your mini crawler to the next level!

Showing: 1-20 of 137 Results
INJORA Flexible Cuttable LED Strip Lights for RC Cars
$4.99 - $9.99
  • Green
  • Pinkish Purple
  • Ice Blue
  • Red
  • Warm White
  • Dark Blue
  • CH3 Light Remote Control Switch
INJORA Overdrive Underdrive Alloy Steel Helical Gears for 1/18 TRX4M
Regular price$12.99
  • 24T/10T Gears (Underdrive 16%)
  • 22T/10T Gears (Underdrive 9%)
  • 24T/12T Gears (As Stock)
  • 22T/12T Gears (Overdrive 9%)
INJORA 4PCS 5/6/7/10mm Brass Wheel Hex Hub Extenders for 1/18 TRX4M Upgrade (4M-02)
$5.99 - $7.99
  • 4pcs 5mm(+1mm)
  • 4pcs 6mm(+2mm)
  • 4pcs 7mm(+3mm)
  • 4pcs 10mm(+6mm)
INJORA IR60-18 Body for 1/18 TRX4M Defender Bronco
$35.99 - $36.99
  • Purple
  • Black
  • Green
  • Red White
  • Blue White
  • Grey
  • Pearl White
  • Chrome
INJORA IR40-18 Half Truck Body for 1/18 TRX4M Defender Bronco
$34.99 - $35.99
  • Sandy Taupe
  • Grey
  • Purple
  • Green
  • Blue
  • Muted Green
  • Sky Blue
INJORA 11KG Coreless High Torque Micro Servo for 1/18 TRX4M Upgrade (INJS11)
$4.99 - $49.99
  • Servo with mount & black horn
  • Servo with mount & red horn
  • Servo Only
  • Servo Mount
  • Black Servo Horn
  • Red Servo Horn
  • BEC
INJORA Overdrive Underdrive Stainless Steel Transmission Gear Set for 1/18 TRX4M
Regular price$12.99
  • 40.3:1 Gears (Underdrive 59%)
  • 24.4:1 Gears (Underdrive 32%)
  • 16.61:1 Gears (As stock)
  • 9.7:1 Gears (Overdrive 71%)
INJORA LED Whip Light for 1/18 1/24 RC Crawlers
$4.99 - $7.99
  • Red(Bottom-Fixed)
  • Pinkish Purple(Bottom-Fixed)
  • Ice Blue(Bottom-Fixed)
  • Green(Bottom-Fixed)
  • Red(Side-Fixed)
  • Pinkish Purple(Side-Fixed)
  • Ice Blue(Side-Fixed)
  • Green(Side-Fixed)
  • Light Controller
INJORA Mini Cordless Electric Screwdriver Set for 1/18 1/24 RC Crawler
$16.99 - $31.99
  • Electric Screwdriver and 8 Bits
  • Electric Screwdriver Only
  • 8 Bits Only
INJORA 7KG High Voltage Waterproof 2065 Digital Servo with Mount for 1/18 TRX4M Upgrade
$4.99 - $29.99
  • Servo with mount and horn
  • Servo Only
  • Servo Mount Only
  • Servo Horn Only
INJORA +5mm Diamond Portal Axles for 1/18 TRX4M
$39.99 - $89.99
  • Silver Front & Rear
  • Silver Rear
  • Black Front & Rear
  • Black Rear
  • Black Front & Rear with brass steering knuckles
INJORA Tarantula Nylon Buggy Body for 1/18 TRX4M
Regular price$31.99
  • Black
  • Clear
  • Blue
  • Green
  • Red
  • Orange
INJORA Rock Lights Kit with Controller for 1/18 1/24 RC Crawler(White, Yellow)
$4.99 - $13.99
  • 4 LED White Light set with M1.4 Screws
  • 4 LED White Light set with M2 Screws
  • 4 LED Yellow Light set with M1.4 Screws
  • 4 LED Yellow Light set with M2 Screws
  • Light Controller Only
INJORA Universal LCG Chassis Kit for 1/18 TRX4M Upgrade (Carbon Fiber)
$25.99 - $33.99
  • Universal Chassis
  • Universal Chassis with Double Decker Tray

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