Compel Groupgroup

Maintenance & Parts

286 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.

286 products in Maintenance & Parts

Digital Tachometer & Hour Meter | Resettable Backlit LCD | For Small Engines & Motorcycles - Professional Grade Tool

Maintenance & Parts

Digital Tachometer & Hour Meter | Resettable Backlit LCD | For Small Engines & Motorcycles

CMP-01390MAIN-00246
$27.95
Digital Hour Meter | Inductive Tachometer | Waterproof for Engines - Professional Grade Tool

Maintenance & Parts

Digital Hour Meter | Inductive Tachometer | Waterproof for Engines

CMP-01391MAIN-00247
$13.99
Motorcycle Speedometer | Digital LCD Display | Universal Fit for 12V Systems - Professional Grade Tool

Maintenance & Parts

Motorcycle Speedometer | Digital LCD Display | Universal Fit for 12V Systems

CMP-01396MAIN-00248
$19.99
Motorcycle LCD Speedometer Tachometer | 12000 RPM, 1-4 Cylinder Display | Digital Odometer Gauge - Professional Grade Tool-66%

Maintenance & Parts

Motorcycle LCD Speedometer Tachometer | 12000 RPM, 1-4 Cylinder Display | Digital Odometer Gauge

CMP-01397MAIN-00249
$8.95$26.68
Digital Inductive Tachometer | Resettable Hour Meter w/ Backlight | For Small Engines & Lawn Mowers - Professional Grade Tool

Maintenance & Parts

Digital Inductive Tachometer | Resettable Hour Meter w/ Backlight | For Small Engines & Lawn Mowers

CMP-01398MAIN-00250
$11.99
LCD Digital Tach Hour Meter | Inductive Display for 2/4 Stroke Engines | Motorcycle, Marine, Car - Professional Grade Tool

Maintenance & Parts

LCD Digital Tach Hour Meter | Inductive Display for 2/4 Stroke Engines | Motorcycle, Marine, Car

CMP-01399MAIN-00251
$23.95
Automotive Circuit Tester | 12V/24V Power Scan | 2m Cable | Car Battery Diagnostics - Professional Grade Tool

Maintenance & Parts

Automotive Circuit Tester | 12V/24V Power Scan | 2m Cable | Car Battery Diagnostics

CMP-01401MAIN-00252
$90.99
12V Battery Tester with Printer | Automotive Diagnostic Tool | Fast Print Test Results - Professional Grade Tool

Maintenance & Parts

12V Battery Tester with Printer | Automotive Diagnostic Tool | Fast Print Test Results

CMP-01402MAIN-00253
$198.99
Car Battery Tester | 6V/12V System Detect | 5-3000 CCA Range - Professional Grade Tool

Maintenance & Parts

Car Battery Tester | 6V/12V System Detect | 5-3000 CCA Range

CMP-01405MAIN-00254
$67.99
12V Car Battery Tester | Automotive Alternator Checker | Battery Charging System Analyzer - Professional Grade Tool

Maintenance & Parts

12V Car Battery Tester | Automotive Alternator Checker | Battery Charging System Analyzer

CMP-01406MAIN-00255
$14.99
OBD2 Scanner | Full System Diagnostics & Service Resets | Lifetime Free Updates via THINKDIAG App - Professional Grade Tool

Maintenance & Parts

OBD2 Scanner | Full System Diagnostics & Service Resets | Lifetime Free Updates via THINKDIAG App

CMP-01407MAIN-00256
$113.99
Car Relay Tester | 12V 24V Circuit Diagnostic Tool | LED Indicator Light - Professional Grade Tool

Maintenance & Parts

Car Relay Tester | 12V 24V Circuit Diagnostic Tool | LED Indicator Light

CMP-01410MAIN-00257
$25.95
OBD2 Scanner | ECU Coding & Bidirectional Control | 28 Reset Functions for All Systems - Professional Grade Tool

Maintenance & Parts

OBD2 Scanner | ECU Coding & Bidirectional Control | 28 Reset Functions for All Systems

CMP-01412MAIN-00258
$421.99
Car Battery Tester | 12V/24V Cranking & Charging System Diagnostic | 0-2000 CCA Automotive Load Tester - Professional Grade Tool

Maintenance & Parts

Car Battery Tester | 12V/24V Cranking & Charging System Diagnostic | 0-2000 CCA Automotive Load Tester

CMP-01413MAIN-00259
$91.99
12V Car Battery Tester | Digital Alternator & Battery Analyzer | 6 LED Display - Professional Grade Tool

Maintenance & Parts

12V Car Battery Tester | Digital Alternator & Battery Analyzer | 6 LED Display

CMP-01414MAIN-00260
$12.99
Relay Detector | 11-25V Digital Voltage Tester for 4/5 Pin Automotive Relays | ANENG RT01 - Professional Grade Tool

Maintenance & Parts

Relay Detector | 11-25V Digital Voltage Tester for 4/5 Pin Automotive Relays | ANENG RT01

CMP-01415MAIN-00261
$28.95
Car Battery Tester | 6V 12V 24V Battery Analyzer | Fault Code Reader - Professional Grade Tool

Maintenance & Parts

Car Battery Tester | 6V 12V 24V Battery Analyzer | Fault Code Reader

CMP-01418MAIN-00262
$99.99
12V Car Battery Tester | Automotive Analyzer with Waveform Voltage | For Car and Motorcycle - Professional Grade Tool

Maintenance & Parts

12V Car Battery Tester | Automotive Analyzer with Waveform Voltage | For Car and Motorcycle

CMP-01419MAIN-00263
$54.99
12V/24V Battery Relay Tester | Automotive Diagnostic Tool | Voltage Meter for Car & Lithium Batteries - Professional Grade Tool

Maintenance & Parts

12V/24V Battery Relay Tester | Automotive Diagnostic Tool | Voltage Meter for Car & Lithium Batteries

CMP-01420MAIN-00264
$19.99
Car Battery Tester | 6V 12V 24V Systems | 100-2000 CCA, 2-200Ah Capacity - Professional Grade Tool

Maintenance & Parts

Car Battery Tester | 6V 12V 24V Systems | 100-2000 CCA, 2-200Ah Capacity

CMP-01422MAIN-00265
$17.99
Digital Relay Tester | 11-25V Vehicle Battery Detector | 4/5 Pin Relay Diagnosis - Professional Grade Tool

Maintenance & Parts

Digital Relay Tester | 11-25V Vehicle Battery Detector | 4/5 Pin Relay Diagnosis

CMP-01423MAIN-00266
$13.99
Car & Motorcycle Battery Tester | 6V/12V Battery Analyzer | 100-2000 CCA Cranking & Charging Tool - Professional Grade Tool

Maintenance & Parts

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

CMP-01426MAIN-00267
$87.99
12V Car Battery & Alternator Tester | Automotive Electrical System Analyzer | Battery Charging System Checker - Professional Grade Tool

Maintenance & Parts

12V Car Battery & Alternator Tester | Automotive Electrical System Analyzer | Battery Charging System Checker

CMP-01428MAIN-00268
$17.99
LED Indicator Light | 12V Battery & Relay Tester | Automotive Diagnostic Tool - Professional Grade Tool

Maintenance & Parts

LED Indicator Light | 12V Battery & Relay Tester | Automotive Diagnostic Tool

CMP-01429MAIN-00269
$21.95
Car Battery Tester | 6V 12V 24V Bluetooth 5.0 | Waveform Monitor & Cranking Test - Professional Grade Tool

Maintenance & Parts

Car Battery Tester | 6V 12V 24V Bluetooth 5.0 | Waveform Monitor & Cranking Test

CMP-01430MAIN-00270
$87.99
12V/24V Battery Tester | Digital Automotive Load Analyzer | 50-1999 CCA with Insulated Clips - Professional Grade Tool

Maintenance & Parts

12V/24V Battery Tester | Digital Automotive Load Analyzer | 50-1999 CCA with Insulated Clips

CMP-01431MAIN-00271
$49.95
Automotive Battery Monitor | 12V 24V Lead Acid Battery Tester | Bluetooth 5.2 Capacity & Resistance - Professional Grade Tool

Maintenance & Parts

Automotive Battery Monitor | 12V 24V Lead Acid Battery Tester | Bluetooth 5.2 Capacity & Resistance

CMP-01434MAIN-00272
$30.95
Automotive Relay Tester | 11-25V Car Battery Check | LED Indicator for Diagnostic - Professional Grade Tool

Maintenance & Parts

Automotive Relay Tester | 11-25V Car Battery Check | LED Indicator for Diagnostic

CMP-01436MAIN-00273
$12.99

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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.