Compel Groupgroup

Automotive

1028 products available

Looking for professional automotive tools and automotive parts to keep commercial fleets, workshop bays, and industrial transport systems running? Compel supplies industrial-grade maintenance and repair components, from specialized brake service equipment to precision diagnostic tools. We support fleet managers, commercial garages, and industrial maintenance teams who require durable, high-performance auto repair tools and motorcycle parts that withstand continuous daily use.

Our comprehensive inventory covers everything from electrical system testers and fluid exchange kits to heavy-duty mechanical hardware. By sourcing from Compel, your operation secures high-quality components and tools that meet rigorous industrial standards, minimizing diagnostic downtime and ensuring reliable vehicle turnaround.

1028 products in Automotive

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
12V Car Battery Monitor | Wireless Bluetooth Health Tester | Android/iOS App - Professional Grade Tool

EV & Battery Systems

12V Car Battery Monitor | Wireless Bluetooth Health Tester | Android/iOS App

CMP-01416EVBA-00004
$50.99
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
Bluetooth 4.0 12V Battery Monitor | Car & Motorcycle Battery Health | Android iOS App - Professional Grade Tool

EV & Battery Systems

Bluetooth 4.0 12V Battery Monitor | Car & Motorcycle Battery Health | Android iOS App

CMP-01421EVBA-00005
$60.99
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
12V Car Battery Monitor | Bluetooth Health Check | Android & iOS App - Professional Grade Tool

EV & Battery Systems

12V Car Battery Monitor | Bluetooth Health Check | Android & iOS App

CMP-01425EVBA-00006
$72.99
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
Automotive Relay Tester | 11-25V Car Battery Check | LED Indicator Diagnostic Tool - Professional Grade Tool

Maintenance & Parts

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

CMP-01437MAIN-00274
$16.99
Automotive Relay Tester | 12V Electrical System Checker | Car, Truck, RV Battery Indicator - Professional Grade Tool

Maintenance & Parts

Automotive Relay Tester | 12V Electrical System Checker | Car, Truck, RV Battery Indicator

CMP-01438MAIN-00275
$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-01440MAIN-00276
$110.99
Automotive Relay Tester | 11-25V Digital Display | 4/5 Pin Vehicle Battery Diagnostic Tool - Professional Grade Tool

Maintenance & Parts

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

CMP-01442MAIN-00277
$19.99
Automotive Circuit Tester | Short & Open Finder | 6-42V DC Cable Tracer - Professional Grade Tool

Maintenance & Parts

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

CMP-01585MAIN-00278
$14.99
Automotive Short & Open Finder | Circuit Tester | 6-42V DC - Professional Grade Tool

Maintenance & Parts

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

CMP-01604MAIN-00279
$21.95
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
$20.95
VIDA Dice V2014D automotive diagnostic scanner with green circuit board, featuring J2534 protocol support for vehicle fault diagnosis.

Maintenance & Parts

J2534 Diagnostic Scanner | 1:1 EWD Protocol | Automotive ECU Programming

CMP-00001MAIN-00176
$179.99
2025 New KINGBOLEN Ediag Elite Lifetime free Car Diagnostic  - Premium Automotive & Powersports > Maintenance & Parts with professional quality and features

Maintenance & Parts

2025 Elite Car Diagnostic Scanner | Lifetime Free Updates | All System 15 Resets Bi-Directional

CMP-00005MAIN-00177
$349.99
OBD2 Main Diagnostic Cable For Volvo Vocom Interface Main Te - Premium Automotive & Powersports > Maintenance & Parts with professional quality and features

Maintenance & Parts

Diagnostic Cable | VOCOM Interface Main Test Cable | Durable OBD2 Tool 88890304

CMP-00006MAIN-00178
$119.99
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
$459.99
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
$449.99

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Matching Diagnostic Instrumentation to Fleet Requirements

Precision diagnostics save hours of troubleshooting in commercial fleet maintenance. When selecting diagnostic tools like tire pressure gauges or tachometers, verify the measurement units, engine compatibility, and power sources. Inductive tach hour meters must match the engine cycle (such as 2-stroke or 4-stroke configurations) to record run-time and RPM accurately.

For tire maintenance, choose digital gauges that support multiple units (PSI, BAR, KPA, and kg/cm²) with backlit LCD displays to ensure readability in dark service bays.

  • Engine Compatibility: Ensure inductive tachometers support both 2-stroke and 4-stroke engines for multi-vehicle versatility.
  • Pressure Metrics: Look for multi-unit display options (PSI, BAR, KPA) to service international fleet specifications.
  • Power Source: Choose battery-operated units with auto-off functions to preserve battery life during storage.

Specifying Fluid Exchange and Brake Service Equipment

Fleet safety depends on reliable hydraulic and brake system maintenance. Professional brake bleeder kits require sufficient reservoir capacity (such as 1-liter or 0.75-liter recovery tanks) to handle complete fluid flushes without frequent emptying.

For general fluid management, material compatibility is critical. Flexible, foldable silicone funnels prevent contamination because they resist degradation from engine oil, petrol, coolant, and windshield washer fluid while saving valuable toolbox space.

  • Reservoir Capacity: Verify that brake bleeder purge tanks provide at least 0.75L to 1L capacity for efficient single-operator line bleeding.
  • Material Resilience: Select silicone-based funnels and hoses to avoid chemical degradation when handling petroleum-based lubricants and coolants.

Selecting Mechanical Repair and Installation Hardware

Heavy-duty mechanical repairs demand precise alignment and thread restoration tools to prevent component failure. When restoring stripped threads in engine blocks or casings, stainless steel thread inserts (such as M6 standard sizes) provide high-strength reinforcement superior to the original tapped hole.

For drivetrain servicing, universal clutch alignment tools constructed from heavy-duty polymers ensure correct disc centering during pressure plate installation, preventing splined shaft damage.

  • Thread Reinforcement: Use stainless steel inserts (e.g., M6 size with matching M6.5 taps) for high-vibration engine applications.
  • Non-Marring Entry: Utilize manual inflatable air wedge pumps made of reinforced rubber for non-metal gap creation without scratching paintwork.

Buying guide

Choosing Automotive

How do I ensure correct clutch alignment during a transmission reinstall?
Use a universal clutch alignment tool to center the clutch disc relative to the pilot bearing before tightening the pressure plate. Standard plastic alignment kits accommodate various shaft diameters, ensuring the splines align perfectly without binding during gearbox mating.
What chemical resistance should I look for in automotive funnels and fluid tools?
Fluid handling tools must resist degradation from engine oil, petrol, washer fluid, and glycol-based coolants. High-grade silicone construction provides excellent chemical resilience and flexibility, allowing the tool to fold for storage without cracking.
Why are stainless steel thread inserts preferred for automotive engine repairs?
Stainless steel inserts, such as M6 thread repair sets, offer superior corrosion resistance and high tensile strength. They permanently restore stripped threads in aluminum or cast-iron engine components, handling standard torque specifications without stripping out.
When should a manual air wedge pump be used instead of metal pry bars?
Manual air wedge pumps are designed for non-marring gap creation, such as vehicle lockout assistance, window positioning, or trim removal. The plastic and rubber inflatable shim distributes pressure evenly, preventing paint scratches and glass breakage caused by rigid metal tools.
What adhesive standards apply to professional windshield and glass sealing?
Professional glass sealants should utilize moisture-cure silicone polymers that provide a waterproof, flexible bond. Ensure the adhesive has high elongation properties (typically exceeding 300%) to withstand the structural flexing and temperature shifts common in commercial vehicle frames.