Diesel Engine Compression Tester Set

Overview

This diesel engine compression tester set provides everything needed for accurate cylinder pressure diagnosis across modern and older diesel engines. The kit includes a precision 80mm analog gauge (0–1000 PSI / 0–70 BAR), a braided hose with quick-release coupler, and a comprehensive range of threaded adapters for different glow plug and injector configurations. Whether you're troubleshooting compression loss, diagnosing starting issues, or performing routine engine maintenance, this system eliminates guesswork and pinpoints cylinder problems quickly. For shops handling both diesel and gasoline engines, consider pairing this with a gasoline compression testing kit to cover your complete diagnostic range.

Key Features

• 80mm Analog Gauge: 0–1000 PSI (0–70 BAR) dual-scale, easy-to-read white face with high visibility
• Quick-Release Coupler: 460mm braided hose with 90-degree quick coupler for fast, leak-free connections
• 10 Glow Plug Adapters: Full range of thread sizes and lengths
  • M10×1.0: 120mm length
  • M10×1.25: 100mm, 115mm lengths (2 variants)
  • M12×1.25: 55mm length
  • M14×1.25: 70mm length
  • M10×1.25: 55mm, 75mm lengths
  • Additional 110mm and 115mm lengths for common applications
• Injector Adapters: Two configurations for fuel injector testing
  • M24×2: 63mm length
  • M20×1.5: 75mm length
• H-Fitting: Additional connection flexibility for unusual engine configurations
• Organized Hard Case: Blue molded carrying case with latches and handle; components secured in custom foam cutouts for job-site portability
• Complete Accessory Set: Includes quick-connect brass fittings, O-ring seals, and small mounting pieces

Why Resellers Choose This Kit

Diagnostic Indispensability: Diesel engines represent a significant service segment. Every shop performing diesel maintenance—from light-duty pickups to heavy commercial trucks—needs compression testing capability. This kit covers the widest range of diesel configurations, reducing customer callbacks and repeat visits.

High Margin Potential: Compression testing commands premium labor rates ($80–$150+ per job). A single kit pays for itself within 2–3 diagnostic calls. The comprehensive adapter range eliminates the need for multiple specialized testers, streamlining your shop's capital equipment spend.

Customer Confidence: Accurate pressure readings provide definitive proof of cylinder condition. Customers trust documented compression data, making it easier to justify engine rebuilds, head gasket repairs, or piston ring replacements. This reduces objections and accelerates service approval.

Durability & Longevity: Analog gauges are robust, require no batteries, and maintain accuracy over years of heavy use. No calibration drift, no electronics to fail. The braided hose and brass fittings resist corrosion and pressure cycling fatigue—critical for a tool used in harsh engine environments.

Competitive Differentiation: Offering comprehensive compression testing (diesel, gasoline, and pressure diagnostics) positions your shop as a full-service diagnostic center, attracting customers who value one-stop solutions.

Technical Specifications

Specification	Detail
Gauge Type	Analog (mechanical), 80mm dial
Pressure Range	0–1000 PSI / 0–70 BAR
Hose Length	460mm (18 inches approx.)
Hose Connection	90-degree quick-release coupler
Glow Plug Adapters	8 pieces, M10×1.0, M10×1.25, M12×1.25, M14×1.25 (various lengths)
Injector Adapters	2 pieces, M24×2 and M20×1.5 (various lengths)
Additional Components	H-fitting, brass quick couplers, O-ring seals, fasteners
Storage	Blue molded hard plastic case with latches and carry handle
Weight	Approximately 2–2.5 kg (complete kit in case)
Engine Application	Diesel engines (all configurations covered by adapter range)

Closing Value Statement

This diesel compression tester set eliminates diagnostic ambiguity and expands your shop's service capability. The complete adapter range ensures compatibility with virtually every diesel engine configuration in your service area. The analog gauge's reliability and the organized hard case design mean this tool will remain a shop staple for decades. Stock it, use it on every diesel compression complaint, and watch labor revenue grow while customer satisfaction rises.