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Traxxas XRT (Model 78086-4) Parts List Parts & Upgrades (78086-4)

Repair it. Refine it. Make it yours. Check your exact model and each part’s fitment before ordering.

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XRT 8S Extreme 4WD Brushless RTR Race Monster Truck w/TQi 2.4GHz Radio & TSM
XRT 8S Extreme 4WD Brushless RTR Race M...
EZ-Peak Plus Multi-Chemistry Battery Charger w/Auto iD (3S/4A/40W)
EZ-Peak Plus Multi-Chemis... MODEL-SPECIFIC PARTS
About this collection

Shop replacement parts and optional upgrades for Traxxas model 78086-4. Check the exact part number, color, and front/rear position before ordering.

View the Traxxas 78086-4 parts list (PDF)

iD LiPo Battery Balance Lead Adapter
Vendor:Traxxas

iD LiPo Battery Balance Lead Adapter

$12.00
X-Maxx/XRT Constant Velocity Driveshaft Rebuild Kit (use with TRA7750X)
Vendor:Traxxas

X-Maxx/XRT Constant Velocity Driveshaft Rebuild Kit (use with TRA7750X)

$4.00
Steel Mod 1.0 Pinion Gear w/5mm Bore (13T)
Vendor:Traxxas

Steel Mod 1.0 Pinion Gear w/5mm Bore (13T)

$4.00
3x10mm Cap Head Machine Screws (6)
Vendor:Traxxas

3x10mm Cap Head Machine Screws (6)

$2.50
GEAR, 17-T PINION 1.0 MP
Vendor:Traxxas

GEAR, 17-T PINION 1.0 MP

$4.00
X-Maxx/Maxx/XRT Standard Servo Adapter
Vendor:Traxxas

X-Maxx/Maxx/XRT Standard Servo Adapter

$6.00
X-Maxx/XRT Heavy Duty Front Pinion Gear (11T)
Vendor:Traxxas

X-Maxx/XRT Heavy Duty Front Pinion Gear (11T)

$10.00
X-Maxx/XRT Pro-Built Complete Front Differential
Vendor:Traxxas

X-Maxx/XRT Pro-Built Complete Front Differential

$59.95
X-Maxx/XRT Pro-Built Complete Rear Differential
Vendor:Traxxas

X-Maxx/XRT Pro-Built Complete Rear Differential

$49.95
3X10mm Flat Head Screws (6)
Vendor:Traxxas

3X10mm Flat Head Screws (6)

$2.50
X-Maxx/XRT Suspension Pin Retainer (4)
Vendor:Traxxas

X-Maxx/XRT Suspension Pin Retainer (4)

$2.50
Speed Bit 1/4" Drive Hex Driver Set (3) (1.5mm, 2.0mm, 2.5mm)
Vendor:Traxxas

Speed Bit 1/4" Drive Hex Driver Set (3) (1.5mm, 2.0mm, 2.5mm)

$29.99
PINION 18-T 1.0 MP 5MM SHAFT
Vendor:Traxxas

PINION 18-T 1.0 MP 5MM SHAFT

$5.00
EZ-PEAK LIVE 12-AMP CHARGER
Vendor:Traxxas

EZ-PEAK LIVE 12-AMP CHARGER

$109.95
Gear Cover Set
Vendor:TRAXXAS

Gear Cover Set

$10.00
3-Piece Ball-End Hex Bit Set
Vendor:TRAXXAS

3-Piece Ball-End Hex Bit Set

$32.95
XMAXX/XRT Black Aluminum GTX Shock Cap Spacers (8)
Vendor:TRAXXAS

XMAXX/XRT Black Aluminum GTX Shock Cap Spacers (8)

$8.00
X-MAXX/XRT Chassis Nerf Bars (2)
Vendor:TRAXXAS

X-MAXX/XRT Chassis Nerf Bars (2)

$6.00
X-MAXX/XRT Extreme HD Machined Steel Drive Cups (2) & Screws
Vendor:TRAXXAS

X-MAXX/XRT Extreme HD Machined Steel Drive Cups (2) & Screws

$39.95
X-Maxx/XRT Bearing Kit
Vendor:TRAXXAS

X-Maxx/XRT Bearing Kit

$44.95
XRT SPRINGS GTX MED 5.059 RATE
Vendor:TRAXXAS

XRT SPRINGS GTX MED 5.059 RATE

$17.00
X-Maxx/XRT GTX Shocks Rebuild Kit (2)
Vendor:TRAXXAS

X-Maxx/XRT GTX Shocks Rebuild Kit (2)

$8.00
XRT Front Lower Bulkhead
Vendor:TRAXXAS

XRT Front Lower Bulkhead

$15.00
STUB AXLE CARRIERS ALUM L/R
Vendor:TRAXXAS

STUB AXLE CARRIERS ALUM L/R

$59.95
STEERING BLOCKS ALUM
Vendor:TRAXXAS

STEERING BLOCKS ALUM

$69.95
XMAXX BLK WHL MAXX AT TIRE
Vendor:Traxxas

XMAXX BLK WHL MAXX AT TIRE

$89.95
DIFFERENTIAL HOUSING ALUM Housing, differential (front/rear), 6061-T6 aluminum (anodized)
Vendor:Traxxas

DIFFERENTIAL HOUSING ALUM Housing, differential (front/rear), 6061-T6 aluminum (anodized)

$49.95
Differential Oil Kit (10K, 30K, 50K)
Vendor:Traxxas

Differential Oil Kit (10K, 30K, 50K)

$21.00
X-Maxx/XRT EXTNSION HARNESS LED LIGHTS HV
Vendor:Traxxas

X-Maxx/XRT EXTNSION HARNESS LED LIGHTS HV

$15.00
XRT Servo Saver & Steering Bellcranks
Vendor:Traxxas

XRT Servo Saver & Steering Bellcranks

$12.00
XRT Front & Rear Skid Plates
Vendor:Traxxas

XRT Front & Rear Skid Plates

$10.00
Velineon 1200XL Brushless Sensorless Motor (X-Maxx/XRT)
Vendor:Traxxas

Velineon 1200XL Brushless Sensorless Motor (X-Maxx/XRT)

$249.95
BODY XRT RNR ASSEMBLED
Vendor:Traxxas

BODY XRT RNR ASSEMBLED

$99.95
4x15mm Button Head Machine Screws (6)
Vendor:Traxxas

4x15mm Button Head Machine Screws (6)

$3.00
SERVO GEAR SET 2085/2085X
Vendor:Traxxas

SERVO GEAR SET 2085/2085X

$30.00
PINION 11-T 1.0 MP 5MM SHAFT
Vendor:Traxxas

PINION 11-T 1.0 MP 5MM SHAFT

$4.00
Pre-Mounted Lightweight AT Tires (Black) (2)
Vendor:Traxxas

Pre-Mounted Lightweight AT Tires (Black) (2)

$62.95
X-Maxx/XRT Transmission Input Gear (20T)
Vendor:Traxxas

X-Maxx/XRT Transmission Input Gear (20T)

$4.00
X-Maxx/XRT Wheelie Bar (Black)
Vendor:Traxxas

X-Maxx/XRT Wheelie Bar (Black)

$28.00
Body Reamer (aluminum handle)
Vendor:Traxxas

Body Reamer (aluminum handle)

$39.95
20x32x7mm Black Rubber Sealed Bearing (2)
Vendor:Traxxas

20x32x7mm Black Rubber Sealed Bearing (2)

$10.00
Traxxas Temperature & Voltage Telemetry Sensor (Long)
Vendor:Traxxas

Traxxas Temperature & Voltage Telemetry Sensor (Long)

$12.00
6x13x5mm Ball Bearings (2)
Vendor:Traxxas

6x13x5mm Ball Bearings (2)

$4.00
X-Maxx/XRT Differential Housing
Vendor:Traxxas

X-Maxx/XRT Differential Housing

$3.00
Cush Drive Housing
Vendor:Traxxas

Cush Drive Housing

$3.00
X-Maxx Pre-Mounted Tires & Wheels (Black Chrome) (2)
Vendor:Traxxas

X-Maxx Pre-Mounted Tires & Wheels (Black Chrome) (2)

$55.99
TQI TRANSMITTER 2-CH 2.4GHZ
Vendor:Traxxas

TQI TRANSMITTER 2-CH 2.4GHZ

$69.95
X-Maxx/XRT GTX Shock Cap, Spring Collar & Adjuster Nut (2)
Vendor:Traxxas

X-Maxx/XRT GTX Shock Cap, Spring Collar & Adjuster Nut (2)

$6.00
X-Maxx/XRT Aluminum Stub Axle
Vendor:Traxxas

X-Maxx/XRT Aluminum Stub Axle

$15.00
Steel Mod 1.0 Pinion Gear w/5mm Bore (12T)
Vendor:Traxxas

Steel Mod 1.0 Pinion Gear w/5mm Bore (12T)

$4.00
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