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. 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!

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5 different color TRX4M BUG18 Bodies

INJORA BUG18 Body with Interior for 1/18 INJORA TRX4M Universal LCG Chassis

$33.99 USD$55.99 USD
INJORA BUG18 Body with Interior for 1/18 INJORA TRX4M Universal LCG Chassis Note:  Not compatible with 1/18 TRX4M stock chassis! Only compatible with INJORA TRX4M Universal Chassis (4M-89, 4M-111) Front...
6 different color TRX4M IR40 bodies

INJORA IR40 Half Truck Hard Plastic Body with Cage for 1/18 TRX4M Defender Bronco Upgrade

$33.99 USD$34.99 USD
INJORA IR40 Half Truck Hard Plastic Body with Cage for 1/18 TRX4M Defender Bronco UpgradeNote: Only compatible with stock TRX4M Defender & Bronco rails and INJORA Universal TRX4M chassis Compatible with INJORA...
7 different color TRX4M IR60 bodies

INJORA IR60 Pickup Hard Body with Bed Rack for 1/18 TRX4M Defender Bronco Upgrade

$35.99 USD
INJORA IR60 Pickup Hard Body Shell with Bed Rack for 1/18 RC Crawler TRX4M Defender Bronco Upgrade Only compatible with: Stock TRX4M Defender & Bronco chassis  INJORA Universal TRX4M chassis Features:  ABS...
a pink TRX4M hard top body

[Limited Edition] INJORA Pink Hard Top Body for 155mm 1/18 TRX4M Bronco Defender

$34.99 USD
INJORA 155mm(6.10in) Wheelbase ABS Hardtop Body Kit with Front Rear Bumpers for 1/18 RC Crawler TRX4M Bronco Defender Chassis Note: Some small accessories require glue. Only compatible with the plastic...
4 djifferent camp trailers

INJORA Off-Road Camping Trailer for 1/18 1/24 RC Crawlers TRX4M SCX24

$49.99 USD$51.99 USD
INJORA Off-Road Camping Trailer for 1/18 1/24 RC Crawlers TRX4M SCX24 Note: This trailer is mounted using screws and nuts. Requires a tow hitch (not included) pre-installed on your RC crawler...
a TRX4M Universal Aluminum Chassis and 4 TRX4Ms

INJORA Universal LCG Chassis Frame Kit for 1/18 TRX4M Upgrade (Aluminum)

$26.99 USD
INJORA Universal LCG Aluminum Chassis Frame Kit For 1/18 TRX4M & Lay Down Servos Note: Compatible with lay down servos and stock servo. Compatible with all 1/18 TRX4M stock bodies:...
a TRX4M Universal Carbon Fiber Chassis and 4 TRX4Ms

INJORA Universal LCG Chassis Frame Kit for 1/18 TRX4M Upgrade (Carbon Fiber)

$25.99 USD$33.99 USD
INJORA Universal LCG Carbon Fiber Chassis Frame Kit for 1/18 TRX4M Defender Bronco K10 F150Note: Compatible with lay down servos and stock servos. Compatible with all 1/18 TRX4M stock bodies:...
INJORA +7mm Planet Axles with Double Joint Shafts & Scale Hydraulic Steering for 1/18 TRX4M Upgrade

INJORA +7mm Planet Axles with Double Joint Shafts & Scale Hydraulic Steering for 1/18 TRX4M Upgrade

$85.99 USD
INJORA +7mm Planet Axles with Double Joint Shafts & Scale Hydraulic Steering for 1/18 TRX4M Upgrade Note: Not compatible with TRX4M stock chassis as the lay lown servo mount is wider...
INJORA +5mm Diamond Portal Axles with Lay Down Servo Mount & Links for 1/18 TRX4M Upgrade

INJORA +5mm Diamond Portal Axles with Lay Down Servo Mount & Links for 1/18 TRX4M Upgrade

$39.99 USD$89.99 USD
INJORA +5mm Diamond Portal Axles with Lay Down Servo Mount & Links for 1/18 RC Crawler TRX4M UpgradeNote: Not compatible with stock TRX4M chassis as the lay down servo mount is...
INJORA +4mm Planet Axles with Brass Steering Knuckles for 1/18 TRX4M Upgrade

INJORA +4mm Planet Axles with Brass Steering Knuckles for 1/18 TRX4M Upgrade

$76.99 USD$85.99 USD
INJORA +4mm Planet Axles with Brass Steering Knuckles for 1/18 TRX4M Upgrade Note: Not compatible with TRX4M stock chassis as the lay lown servo mount is wider than stock. Compatible with...
INJORA +4mm Extended Aluminum Front Rear Complete Axles for 1/18 TRX4M TRX4MT

INJORA +4mm Extended Aluminum Front Rear Complete Axles for 1/18 TRX4M TRX4MT

$32.99 USD$69.99 USD
INJORA CNC Aluminum 4mm Extended Front Rear Complete Axles for 1/18 RC Crawler TRX4M TRX4MT Note: Compatible with both INJORA and stock TRX4M chassis, servo mounts, diff covers, gears, C...
INJORA 7KG High Voltage Waterproof 2065 Digital Servo with Mount for 1/18 TRX4M Upgrade

INJORA 7KG High Voltage Waterproof 2065 Digital Servo with Mount for 1/18 TRX4M Upgrade

$4.99 USD$29.99 USD
INJORA INJS2065 7KG High Voltage Waterproof 2065 Digital Servo with Mount for 1/18 RC Crawler TRX4M Upgrade Note: Please use our servo and servo mount together. If you use the...
INJORA 11KG Coreless High Torque Micro Servo for 1/18 TRX4M Upgrade (INJS11)

INJORA 11KG Coreless High Torque Micro Servo for 1/18 TRX4M Upgrade (INJS11)

$4.99 USD$49.99 USD
INJORA Coreless Metal Gear High Torque Digital Micro Servo for 1/18 TRX4M Upgrade (INJS11)(High Voltage) Note: Not compatible with stock servo mount and horn. This servo requires a special servo mount...
INJORA Roverin FOC Sensored Brushless ESC & Motor Combo for 1/18 TRX4M Ascent18 (4800Kv)

INJORA Roverin FOC Sensored Brushless ESC & Motor Combo for 1/18 TRX4M Ascent18 (4800Kv)

$109.95 USD$99.99 USD
INJORA Roverin FOC Power System Sensored Brushless ESC & 180 Motor Combo for 1/18 TRX4M Ascent18 (4800Kv) Note:  Transmission: Compatible with stock TRX4M transmission, INJORA TRX4M metal transmission (It desn't...
INJORA MBL32 G2 Waterproof Brushless ESC & 2204 Fat Viper Motor for 1/18 TRX4M Upgrade

INJORA MBL32 G2 Waterproof Brushless ESC & 2204 Fat Viper Motor for 1/18 TRX4M Upgrade

$76.99 USD
INJORA MBL32 G2 Waterproof Brushless ESC & 2204 Fat Viper Outrunner Motor for 1/18 TRX4M Upgrade Features: The INJORA MBL32 G2, based on the AM32 firmware, is meticulously tailored for Micro...
INJORA MBL32 G2 Waterproof Brushless ESC & 1721 Purple Viper Motor for 1/18 TRX4M Ascent-18

INJORA MBL32 G2 Waterproof Brushless ESC & 1721 Purple Viper Motor for 1/18 TRX4M Ascent-18

$56.99 USD
INJORA MBL32 G2 Waterproof Brushless ESC & 1721 Purple Viper Outrunner Motor for 1/18 TRX4M Ascent-18 Compatibility Notice: Transmission:  Compatible with 1/18 TRX4M, 1/18 Redcat Ascent18 transmissions, not compatible with 370...
INJORA Magnetic Snap-on JR Extension Cable for RC Models

INJORA Magnetic Snap-on JR Extension Cable for RC Models

$3.99 USD
INJORA Magnetic Snap-on JR Extension Cable for RC Models (20cm, 34.5cm) Note: This item is handmade, and slight variations in length may occur. Features: Magnetic Snap-on Design – Quick, secure...
INJORA Overdrive Underdrive Alloy Steel Helical Gears for 1/18 TRX4M Upgrade

INJORA Overdrive Underdrive Alloy Steel Helical Gears for 1/18 TRX4M Upgrade

$12.99 USD
INJORA Overdrive Underdrive Alloy Steel Helical Gears for 1/18 TRX4M UpgradeSuit For: 1/18 RC crawler TRX4MNote: Each axle requires 1 set of gears (a ring gear and a pinion gear). Overdrive...
INJORA 4PCS 5/6/7/10mm Brass Wheel Hex Hub Extenders for 1/18 TRX4M Upgrade (4M-02)

INJORA 4PCS 5/6/7/10mm Brass Wheel Hex Hub Extenders for 1/18 TRX4M Upgrade (4M-02)

$5.99 USD$7.99 USD
INJORA 7MM Brass Wheel Hex Hub Extenders 5/6/7/10MM Thickness for 1/18 RC Crawler Car TRX4M Upgrade Parts (4M-02)Suit For: 1/18 RC crawler TRX4MFeatures: Extend the track width Improve anti-rollover performance...
INJORA 59mm Long Threaded Oil Shocks with Brass End for 1/18 TRX4M Upgrade

INJORA 59mm Long Threaded Oil Shocks with Brass End for 1/18 TRX4M Upgrade

$14.99 USD$25.99 USD
INJORA Brass & Aluminium 59MM Long Threaded Shock Absorber Oil Damper for 1/18 RC Crawler TRX4M Upgrade (4M-63) Note: The shock oil is not included! Compatible with: 1/18 RC crawler TRX4MRecommended...