Upgrade Parts

Shop RC Upgrade and Replacement Accessories at INJORA to customize your RC Crawlers. Enhance your RC experience with premium parts.
We supply RC Axles, Bumpers, Shocks, Drive Shafts, Roof Racks, Link Rods, Chassis, Gearboxes, Trailers, and much more.

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236 Products Found
For TRX4M
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 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

$29.99 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 Overdrive Underdrive Alloy Steel Helical Gears for 1/18 TRX4M

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

$12.99 USD
INJORA Overdrive Underdrive Alloy Steel Helical Gears for 1/18 TRX4M UpgradeCompatible with: 1/18 TRX4M stock axles INJORA TRX4M axles Note: Each axle requires 1 set of gears (a ring gear and...
INJORA 59mm Long Threaded Oil Shocks for 1/18 TRX4M  Upgrade (4M-42)

INJORA 59mm Long Threaded Oil Shocks for 1/18 TRX4M Upgrade (4M-42)

$25.99 USD
INJORA 59MM Longer Threaded Shock Absorber Oil Damper for 1/18 RC Crawler TRX4M Upgrade (4M-42)Compatible with: 1/18 RC crawler TRX4MRecommended shock oil weight: 20-40wtNote: The shock oil is not included!...
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)

$49.99 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 1.0" Stamped Steel -3.78mm Offset Wheels for Micro Crawlers (W1004)

INJORA 1.0" Stamped Steel -3.78mm Offset Wheels for Micro Crawlers (W1004)

$19.99 USD
INJORA 1.0 Beadlock Wheel Rim Deep Dish Negative Offset 3.78mm Stamped Steel Hub for 1/18 1/24 RC Crawler SCX24 FCX24 TRX4M Ascent18Note: Please start with 2pcs long screws to pinch...
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

$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...
INJORA Stainless Steel Drive Shafts for 1/18 TRX4M Defender Bronco (4M-18)

INJORA Stainless Steel Drive Shafts for 1/18 TRX4M Defender Bronco (4M-18)

$17.99 USD
INJORA Stainless Steel Drive Shafts for 1/18 TRX4M (4M-18)Note: To ensure the transmission and control accuracy, we improved the precision of the connection holes in drive shaft, which is perfect...
INJORA Black Brass Upgrade Parts for 1/18 TRX4M All

INJORA Black Brass Upgrade Parts for 1/18 TRX4M

$58.99 USD$58.99 USD
INJORA Black Brass Upgrade Parts For 1/18 TRX4M 4 optional parts, please select the parts you need. Suit For: 1/18 RC crawler TRX4M Features: Made of high quality brass High...
INJORA 53g/pcs Brass Skid Plate Transmission Mount for 1/18 TRX4M (4M-67)

INJORA 53g/pcs Brass Skid Plate Transmission Mount for 1/18 TRX4M (4M-67)

$18.99 USD$18.99 USD
INJORA 53g CNC Brass Skid Plate Transmission Mount for 1/18 RC Crawler TRX4M Upgrade (4M-67)Compatible with: 1/18 TRX4M Defender, Bronco, High Trail K10, High Trail F150 Features: Made of brass material High...
INJORA Sealed Steel Bearing Kit (22 pcs) for 1/18 TRX4M (4M-03)

INJORA Sealed Steel Bearing Kit (22 pcs) for 1/18 TRX4M (4M-03)

$13.99 USD
INJORA 22PCS Steel Sealed Bearing Kit for 1/18 RC Crawler TRX4M Upgrade Parts (4M-03)Suit For: 1/18 TRX4MFeatures: Sealed and dustproof design Replace the stock bushings with bearings Make your rig...
INJORA 12g/pcs Brass Inner Clamp Rings for INJORA 1.0" Wheels & 1.0" Tires

INJORA 12g/pcs Brass Inner Clamp Rings for INJORA 1.0" Wheels & 1.0" Tires

$9.99 USD$11.99 USD
INJORA 4PCS 12g Brass Internal Beadlock Ring Clamp Ring Fit 1.0" Wheel Rim for 1/24 RC Crawler Axial SCX24 Upgrade PartsOnly Compatible with INJORA 1.0" Wheels & INJORA 1.0" Tires...
INJORA 8-in-1 Hex, Phillips Screwdriver, Nut Drivers Quick Change Tool Kit for 1/24 1/18 Mini RC

INJORA 8-in-1 Hex, Phillips Screwdriver, Nut Drivers Quick Change Tool Kit for 1/24 1/18 Mini RC

$25.99 USD
INJORA 8-in-1 Hex, Phillips Screwdriver, Nut Drivers Quick Change Tool Kit for Mini RC Crawlers SCX24 AX24 TRX4M FCX24Suit for: 1/24 1/18 Scale RC CrawlersFeatures: Good quality and durable in...
INJORA Silicone Rubber Inserts for 1.0" 62-64mm Tires (1064)

INJORA Silicone Rubber Inserts for 1.0" 62-64mm Tires (1064)

$12.99 USD
INJORA 4pcs Silicone Rubber Inserts For 62-64mm*24mm 1.0" Tires Note: Due to differences in tire wall thickness across brands, compatibility with non-INJORA tires is not guaranteed. Please check compatibility before...
4PCS 1.0" 12-spoke Grey Wheel Rims front

INJORA 1.0" 12-Spokes Beadlock Wheels for Micro Crawlers (W1049)

$21.99 USD
INJORA 4PCS CNC 1.0" Beadlock Wheel Rims for 1/18 1/24 RC Crawlers SCX24 FCX24 TRX4M Ascent18 Suit for mini rc crawlers, such as: 1/24 Axial SCX24, AX24 1/24 FMS FCX24, 1/18...
INJORA 53mm Aluminum Threaded Oil Shocks for 1/18 TRX4M (4M-24)

INJORA 53mm Aluminum Threaded Oil Shocks for 1/18 TRX4M (4M-24)

$24.99 USD
INJORA 53MM Threaded Shock Absorber Oil Damper for 1/18 RC Crawler TRX4M UpgradeCompatible with: 1/18 RC crawler TRX4MRecommended shock oil weight: 20-40wt Note: The shock oil is not included! Adjusting...
INJORA Headlights & Taillights LED Lights Kit for 1/18 TRX4M (4M-16)

INJORA Headlights & Taillights LED Lights Kit for 1/18 TRX4M (4M-16)

$6.99 USD
INJORA Headlights & Taillights LED Lights Kit for 1/18 TRX4M (4M-16)Note: After unscrewing 1 screw, you can remove the black light base and peel the sticker. Do not damage the...
INJORA Overdrive Underdrive Stainless Steel Transmission Gear Set for 1/18 TRX4M

INJORA Overdrive Underdrive Stainless Steel Transmission Gear Set for 1/18 TRX4M

$12.99 USD
INJORA Stainless Steel 40.3:1 Low Range Transmission Gear Pinion Set for 1/18 RC Crawler Car TRX4M Upgrade (4M-36)Note: Don't forget to grease the gears!!! The motor pinion is made for...
INJORA Black Hardened Steel Drive Shafts for 1/18 TRX4M Defender Bronco (4M-50BK)

INJORA Black Hardened Steel Drive Shafts for 1/18 TRX4M Defender Bronco (4M-50BK)

$16.99 USD
INJORA Black Hardened Steel Drive Shafts with D-shaped Holes for 1/18 TRX4M (4M-50BK)Only Compatible with: 1/18 TRX4M Defender 1/18 TRX4M Bronco Features: These drive shafts are machined to be able...
INJORA 1.0" 64*24mm Rock Crawling Tires (T1011) (4)

INJORA 1.0" 64*24mm Rock Crawling Tires (T1011) (4)

$15.99 USD
INJORA Super Soft Sticky 1.0 Crawler Tires 64*24mm for 1/18 1/24 RC Crawler Car Axial SCX24 FMS FCX24 Upgrade (T1011) Note: 64mm tyres are too big for most 1/24 1/18...