Compel Groupgroup

Maintenance & Parts

287 products available

Need professional auto repair tools, automotive parts, and car maintenance tools for commercial fleets? Compel supplies workshop managers and fleet mechanics with field-tested components for heavy-duty maintenance. Our range covers precision diagnostic scanners, calibration instruments, structural adhesives, and thread repair kits.

We source inventory directly from top-tier manufacturers to meet strict tolerances in commercial workshops. By supplying reliable fasteners and specialized tools in one place, we help you minimize vehicle downtime. Streamline your supply chain with our fast global shipping and bulk trade pricing.

287 products in Maintenance & Parts

Products

Car and motorcycle battery tester analysing 6V/12V batteries.

Maintenance & Parts

Car & Motorcycle Battery Tester | 6V/12V Battery Analyzer | 100-2000 CCA Cranking & Charging Tool

CMP-01440MAIN-00276
£150.99
Automotive relay tester with a digital display for vehicle battery diagnostics.

Maintenance & Parts

Automotive Relay Tester | 11-25V Digital Display | 4/5 Pin Vehicle Battery Diagnostic Tool

CMP-01442MAIN-00277
£56.99
Automotive circuit tester for finding short and open circuits in 6-42V DC cables.

Maintenance & Parts

Automotive Circuit Tester | Short & Open Finder | 6-42V DC Cable Tracer

CMP-01585MAIN-00278
£67.99
Automotive circuit tester for finding shorts and open circuits, 6-42V DC.

Maintenance & Parts

Automotive Short & Open Finder | Circuit Tester | 6-42V DC

CMP-01604MAIN-00279
£52.99
Universal 12V electric car fuel pump for diesel, petrol, and gasoline, compatible with EP500-0 and 12585-52030 models.

Maintenance & Parts

12V Electric Fuel Pump | EP500 Diesel & Gasoline Compatible | Replaces 1258552031

CMP-01614MAIN-00280
£60.99
FOCIM Tester for Volvo module 22771624 23140886 21855896 227 - Premium Automotive & Powersports > Maintenance & Parts with professional quality and features

Maintenance & Parts

Module Tester | Speaker & Light Detection Tool | Compatible with 22771624, 23140886

CMP-00007MAIN-00179
£475.99
VDIAGTOOL V500PRO Automotive Circuit Tester 9V-30V Car Elect - Premium Automotive & Powersports > Maintenance & Parts with professional quality and features

Maintenance & Parts

Automotive Circuit Tester | 9V-30V with Oscilloscope | 12V/24V Car & Truck Electrical

CMP-00008MAIN-00180
£474.99
ANCEL X7 HD Heavy Duty Truck OBD2 Automotive Scanner Full Sy - Premium Automotive & Powersports > Maintenance & Parts with professional quality and features

Maintenance & Parts

Duty Truck Diagnostic Scanner | 12V/24V OBD2 with DPF Regen | Full System ECU Reset

CMP-00009MAIN-00181
£1,772.99
ANCEL DM500 OBD2 scanner specialized for instrument cluster correction, oil service reset, and EEPROM read/write functions.

Maintenance & Parts

Cluster Correction Tool | OBD2 Scanner for Oil Reset & EEPROM Read/Write | Instrument Adjustment

CMP-00010MAIN-00182
£1,147.99
Complete 8-piece set of OBD2 converter cables and connectors for use with TCS PRO and other professional diagnostic interfaces.

Maintenance & Parts

OBD2 Cable Set | 8-Piece Connector Kit for Truck & Car Diagnostic Readers

CMP-00014MAIN-00185
£95.99
Renolink V2.10/V2.11 diagnostic tool for Renault vehicles, specializing in airbag reset, ECU programming, and UCH/key module coding.

Maintenance & Parts

Airbag Reset Tool | OBD2 Diagnostic Scanner for UCH/ECU Programming | V2.11 Software

CMP-00016MAIN-00186
£93.99
XTOOL X100 Pro2 OBD2 automotive scanner with key programming, EEPROM adapter, and lifetime free updates for comprehensive vehicle diagnostics.

Maintenance & Parts

X100 Pro2 OBD2 Scanner | Key Programmer & EEPROM Adapter | Lifetime Free Updates

CMP-00017MAIN-00187
£1,723.99
Diesel fuel injector nozzle tester with scale gauge for measuring pop pressure and spray pattern on common rail systems.

Maintenance & Parts

Fuel Injector Tester | Common Rail Pressure Gauge | Nozzle Repair Tool for Tractors

CMP-00018MAIN-00188
£223.99
1:1 DICE 2014D J2534 protocol module for Volvo vehicle diagnostics, programming, and OBD2 scanner pass-through functions.

Maintenance & Parts

Protocol Module | 1:1 DICE 2014D Diagnostic Scanner | For Vo-lvo OBD2 Maintenance

CMP-00019MAIN-00189
£191.99
XTOOL D8W/D8S Bluetooth automotive scanner with ECU coding, 42+ service resets, CANFD, DOIP, and FCA topology support.

Maintenance & Parts

Automotive Scanner | XTOOL D8W Bluetooth Diagnostic Tool | ECU Coding & 42+ Resets

CMP-00021MAIN-00191
£1,691.99
VAG 409.1 KKL diagnostic interface cable with FTDI chip for OBD2 diagnostics on Volkswagen, Audi, Skoda, and Seat vehicles.

Maintenance & Parts

409.1 KKL Diagnostic Cable | FT232RL OBD2 Interface | For VW, Audi, Skoda & Seat

CMP-00022MAIN-00192
£52.99
NEXIQ-3 USB Link interface cable for connecting heavy-duty truck diagnostic software to vehicle ECUs via USB or Bluetooth.

Maintenance & Parts

NEXIQ-3 USB Link Adapter | Bluetooth Truck Diagnostic Tool | OBD2 Fault Diagnostics Detector

CMP-00023MAIN-00193
£402.99
Double-hole spark plug tester with 12V power, designed to check ignition spark and detect engine misfires up to 6000 RPM.

Maintenance & Parts

12V Spark Plug Tester | Double Hole Diagnostic Tool | 0-6000rpm Engine Ignition Detector

CMP-00024MAIN-00194
£83.99
THINKCAR THINKDIAG MINI OBD2 diagnostic scanner tool with full OE system coverage for iOS and Android, featuring free updates and fault code reading.

Maintenance & Parts

MINI OBD2 Scanner | iOS Android Compatible | Free Lifetime Updates

CMP-00033MAIN-00200
£137.99
THINKCAR BD6 OBD2 scanner for full-system diagnostics including IMMO, ETS, brake bleed, with lifetime updates via THINKDIAG app.

Maintenance & Parts

BD6 Full System Scanner | IMMO ETS Brake Bleed Reset | Free Lifetime via THINKDIAG App

CMP-00036MAIN-00202
£216.99
Professional OBD2 engine scanner with lifetime free updates, reading DTCs and providing automotive diagnostic functions for engine systems.

Maintenance & Parts

OBD2 Engine Scanner | Lifetime Free Updates | Automotive DTC Code Reader Tool

CMP-00037MAIN-00203
£127.99
THINKCAR Thinkdiag diagnostic tool for all vehicle systems, featuring 16 ECU resets, free 1-year OBD2 scanning, automatic VIN, and Spanish language support.

Maintenance & Parts

All-System Diagnostic Tool | 16 ECU Resets + 1 Year Free | OBD2 Scanner with Auto VIN

CMP-00039MAIN-00204
£274.99
DICE 2014D diagnostic and maintenance tool for Volvo, providing 1:1 protocol control, J2534 compliance, and fast OBD2 scanning for vehicle systems.

Maintenance & Parts

Volvo DICE Diagnostic Tool | 1:1 Protocol Control Module | OBD2 Scanner

CMP-00040MAIN-00205
£189.99
VXDIAG VCX NANO diagnostic tool for Volvo vehicles, featuring OE-level system scanning, J2534 programming, ECU coding, and component testing via OBD2 port.

Maintenance & Parts

VXDIAG VCX NANO | OE-Level J2534 Programming Tool | 2014+ OBD2 Diagnostic Scanner

CMP-00041MAIN-00206
£188.99
MUCAR BT200 automotive diagnostic tools, OBD2 scanner with Bluetooth and WiFi connectivity, compatible with all cars, featuring 15 diagnostic resets.

Maintenance & Parts

BT200 Automotive Diagnostic Scanner | OBD2 Bluetooth WiFi | 15 Reset Functions All Cars

CMP-00042MAIN-00207
£189.99
ESL ELV SCL Steering Lock Emulator for Volvo S60, S80, XC60, XC70 models, also compatible with S90, V90, XC90, includes sound plug with no programming required.

Maintenance & Parts

ESL ELV Steering Lock Emulator | Plug & Play No Programming | For S60 S80 XC60 XC70 S90 V90 XC90

CMP-00047MAIN-00212
£123.99
Flywheel Turning Tool in black for Volvo D11, D13, D16 and Mack MP7, MP8, MP10 engines from 2008-2018, used for engine barring procedures.

Maintenance & Parts

Turning Tool 88800014 | For Volvo D11 D13 D16 & Mack MP7 MP8 MP10 | 2008-2018 Engine Barring

CMP-00048MAIN-00213
£49.99
Heavy Duty Truck Diagnosis tool for Volvo VOCOM 88890300 with SSD PTT V2.8.150, compatible with Renault and UD Truck diagnostic systems.

Maintenance & Parts

VOCOM 88890300 Diagnostic Tool | PTT V2.8.150 SSD | Renault/UD Truck Scanner

CMP-00049MAIN-00214
£798.99

Showing page 3 of 11 (287 products)

Selecting Diagnostic and Electrical Instruments for Fleet Monitoring

When choosing electrical test equipment and gauges, prioritize compatibility with system voltages and engine cycles. For instance, diagnostic scanning tools must support standard OBD2 protocols and offer bi-directional testing to troubleshoot complex ECUs. For secondary engine monitoring, match the instrument to the engine type-such as inductive tachometers compatible with both 2-stroke and 4-stroke configurations.

  • Power requirements: Ensure digital instruments match the vehicle's electrical system, typically 12V DC for standard powersports and light commercial vehicles.
  • Update longevity: Select diagnostic units with lifetime software updates to maintain compatibility with newer vehicle models.
  • Signal pickup: Inductive sensors simplify installation by reading spark plug ignition pulses without direct wiring.

Choosing Fasteners and Thread Repair Systems for High-Stress Assemblies

Stripped threads in engine blocks or chassis components require immediate, permanent remediation. Using stainless steel inserts ensures high corrosion resistance and thread strength that matches or exceeds the original specification. Always verify exact tap sizes and drill bit diameters before purchasing repair kits to ensure a precise interference fit.

  • Material selection: Use stainless steel fasteners and inserts for exterior trim, fenders, and bumpers to prevent galvanic corrosion.
  • Sizing precision: Match exact metric standards, such as M6 threads requiring specific 6.7 mm drill bits and M6.5 x 1.0 taps.
  • Component kits: Multi-piece kits with integrated installation tools reduce time spent searching for matching components during field repairs.

Matching Sealants and Lubricants to Environmental Exposure

Automotive environments subject chemicals to extreme vibration, moisture, and temperature fluctuations. For glass and windshield installations, select high-elongation moisture-cure silicone adhesives to absorb structural flexing. For mechanical assemblies like gears, valves, and electrical connections, choose non-conductive silicone grease to provide water barrier protection without causing short circuits.

  • Elongation capacity: Look for flexible silicone adhesives with elongation properties exceeding 300% to prevent seal failure.
  • Chemical compatibility: Ensure tools like fluid funnels use flexible silicone that tolerates engine oil, petrol, and coolant.

Buying guide

Choosing Maintenance & Parts

How do I ensure a thread repair kit matches my existing bolt specifications?
Match the thread size and pitch of your fastener exactly to the insert kit. For example, an M6 thread repair kit requires an M6.5 x 1.0 tap and a 6.7 mm drill bit to prepare the hole. Using incorrect drill sizes will compromise the load-bearing capacity of the repaired thread.
Why should I choose silicone-based funnels and tools over standard plastics in workshop environments?
High-flexibility silicone resists degradation from common automotive fluids like engine oil, washer fluid, petrol, and coolant. The material allows for foldable designs that save storage space in mobile service kits without cracking or losing shape under repeated use.
What elongation properties are required for structural automotive glass sealants?
Structural sealants for windshields and windows require an elongation at break of over 300% to handle vehicle body twist and thermal expansion. Moisture-cure silicone polymers provide this high elasticity while maintaining a waterproof seal against the elements.
When should non-conductive silicone grease be used in vehicle maintenance?
Non-conductive silicone grease is ideal for lubricating and sealing automobile gears, valves, chains, and electrical connectors. Its dielectric property prevents current leakage in damp environments while protecting rubber seals and plastic components from drying out.
What are the application limits for manual air wedge pumps during vehicle entry?
Manual air wedge pumps are designed for non-metal contact areas like door frames and window gaps to assist in lockouts or trim removal without scratching paint. Do not over-inflate beyond the gap required for tool insertion, as excessive pressure can bend metal door frames or shatter glass panels.

We use cookies. Some keep the store working, others show us what to fix. No third-party trackers, and we never sell your data. Learn more about cookies and your privacy