Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

OTC Compression Gauge: Compression Gauge - Compression Testers
OTCCompression Testers

OTC Compression Gauge: Compression Gauge

The OTC Compression Gauge (MPN 5603) is a steel compression tester featuring a popular 14 mm thread designed for both flat and tapered seat plugs. This tool is sold individually (EA) and is manufactured by OTC.

SKU 3G-OTH-494788

Brand
OTC
Item
Compression Gauge: Compression Gauge
Category
Compression Testers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

OTC
Manufacturer Part Number
5603
Type
Steel
Material
Steel
Features
Popular 14 mm Thread for Both Flat and Tapered Seat Plugs
Tool Type
Compression Gauge
Display Sell UOM
EA
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

OTC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OTC Compression Gauge (MPN 5603) is a steel compression tester featuring a popular 14 mm thread designed for both flat and tapered seat plugs. This tool is sold individually (EA) and is manufactured by OTC.

Frequently Asked Questions

What is the OTC Compression Gauge 5603 used for?

The OTC Compression Gauge 5603 is used to measure engine cylinder compression in automotive and industrial engines. Its 14 mm thread fits both flat and tapered seat spark plug holes, making it a versatile diagnostic tool for maintenance and troubleshooting.

What are the specifications of the OTC Compression Gauge 5603?

The OTC Compression Gauge 5603 is a steel compression tester with a 14 mm thread that works with both flat and tapered seat plugs. It is sold individually (EA) and is manufactured by OTC. The tool type is compression gauge, and the material is steel.

Where to buy the OTC Compression Gauge 5603 worldwide?

3G Electric supplies the OTC Compression Gauge 5603 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and a quote for your region.

How to use the OTC Compression Gauge 5603?

To use the OTC Compression Gauge 5603, remove the spark plug and insert the gauge's 14 mm adapter into the plug hole. Crank the engine several times and read the compression value on the gauge. Compare readings across cylinders to identify issues.

Used in

Common applications for OTC
Automotive repair — OTC bearing splitters (model 1124) for removing bearings from transmission shafts
Heavy equipment maintenance — OTC hydraulic electric pump (model 4044) for powering hydraulic cylinders in press applications
Truck wheel service — OTC Budd Wheel Socket (MPN 1948A) for removing and installing lug nuts on commercial vehicles
Industrial assembly — OTC lock nut sockets (MPN 1939) for tightening SAE lock nuts on machinery
Agricultural equipment repair — OTC puller set (model 4518) for extracting gears and pulleys from tractor components
Construction equipment maintenance — OTC drive socket set (MPN 4542) for servicing metric and SAE fasteners on excavators

OTC Products

3G Electric supplies OTC compression testers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from OTC

View all OTC parts
OTC Compression Gauge: Compression Testers, Compression Tester, Compression Testing, Metal/Plastic (MPN 5021). Key specifications — Display Sell UOM: EA; Includes: Push Button Compression Release; Tool Type: Compression Tester; Material: Metal; Testing Application: Compression Testing; Brand: OTC; Compatible Vehicle Part: Engine; Tester Type_Broad: Compression Testers.
OTC
OTC Compression Gauge: Compression Testers, Compression Tester, Compression Testing, Metal/Plastic (MPN 5021). Key specifications — Display Sell UOM: EA; Includes: Push Button Compression Release; Tool Type: Compression Tester; Material: Metal; Testing Application: Compression Testing; Brand: OTC; Compatible Vehicle Part: Engine; Tester Type_Broad: Compression Testers.
OTC Compression Tester: Compression Testers, Compression Tester Kit, Compression Testing, Engine (MPN 5020). Key specifications — Display Sell UOM: EA; Features: Dual Reading Gauge; Includes: Nozzle Adapters; Tool Type: Compression Tester Kit; Material: Plastic; Testing Application: Compression Testing; Brand: OTC; Compatible Vehicle Part: Engine.
OTC
OTC Compression Tester: Compression Testers, Compression Tester Kit, Compression Testing, Engine (MPN 5020). Key specifications — Display Sell UOM: EA; Features: Dual Reading Gauge; Includes: Nozzle Adapters; Tool Type: Compression Tester Kit; Material: Plastic; Testing Application: Compression Testing; Brand: OTC; Compatible Vehicle Part: Engine.
OTC Heavy Duty Compression Test Kit: Compression Test Kit, Bronze (MPN 5606). Key specifications — Display Sell UOM: EA; Features: Dual Scale Gauge Reads 0-300 psi and 0-2100 kPa; Includes: 18 mm Threaded Adapters; Tool Type: Compression Test Kit; Material: Bronze; Brand: OTC.
OTC
OTC Heavy Duty Compression Test Kit: Compression Test Kit, Bronze (MPN 5606). Key specifications — Display Sell UOM: EA; Features: Dual Scale Gauge Reads 0-300 psi and 0-2100 kPa; Includes: 18 mm Threaded Adapters; Tool Type: Compression Test Kit; Material: Bronze; Brand: OTC.
OTC Compression Tester Kit: Compression Testers, Compression Tester Kit, Compression Testing, Engine (MPN 5604). Key specifications — Display Sell UOM: EA; Features: Dual Scale Gauge Reads 0 to 300 psi and 0 to 2100 kPa; Includes: Repair Parts Kit; Tool Type: Compression Tester Kit; Testing Application: Compression Testing; Brand: OTC; Compatible Vehicle Part: Engine; Tester Type_Broad: Compression Testers.
OTC
OTC Compression Tester Kit: Compression Testers, Compression Tester Kit, Compression Testing, Engine (MPN 5604). Key specifications — Display Sell UOM: EA; Features: Dual Scale Gauge Reads 0 to 300 psi and 0 to 2100 kPa; Includes: Repair Parts Kit; Tool Type: Compression Tester Kit; Testing Application: Compression Testing; Brand: OTC; Compatible Vehicle Part: Engine; Tester Type_Broad: Compression Testers.
OTC Compression Tester Kit: Compression Testers, Compression Tester Kit, Compression Testing, Engine (MPN 5606-DG). Key specifications — Display Sell UOM: EA; Features: Adapters Work on Both Flat and Tapered Seat Plugs; Includes: 26 in Hose and Release Valve; Tool Type: Compression Tester Kit; Testing Application: Compression Testing; Brand: OTC; Compatible Vehicle Part: Engine; Tester Type_Broad: Compression Testers.
OTC
OTC Compression Tester Kit: Compression Testers, Compression Tester Kit, Compression Testing, Engine (MPN 5606-DG). Key specifications — Display Sell UOM: EA; Features: Adapters Work on Both Flat and Tapered Seat Plugs; Includes: 26 in Hose and Release Valve; Tool Type: Compression Tester Kit; Testing Application: Compression Testing; Brand: OTC; Compatible Vehicle Part: Engine; Tester Type_Broad: Compression Testers.
OTC Cylinder Leakage Tester Kit: Compression Testers, Cylinder Leak Tester Kit, Metal/Plastic (MPN 5609). Key specifications — Display Sell UOM: EA; Features: Chrome Bezel and Protective Outer Boot; Includes: Scales Read 0-100 psi and 0-700 kPa; Tool Type: Cylinder Leak Tester Kit; Material: Metal; Testing Application: Cylinder Leakage Tester Kit; Brand: OTC; Compatible Vehicle Part: Engine.
OTC
OTC Cylinder Leakage Tester Kit: Compression Testers, Cylinder Leak Tester Kit, Metal/Plastic (MPN 5609). Key specifications — Display Sell UOM: EA; Features: Chrome Bezel and Protective Outer Boot; Includes: Scales Read 0-100 psi and 0-700 kPa; Tool Type: Cylinder Leak Tester Kit; Material: Metal; Testing Application: Cylinder Leakage Tester Kit; Brand: OTC; Compatible Vehicle Part: Engine.
OTC Compression Gauge: Compression Testers, Compression Tester, Compression Gauge, Engine, 1 Pieces (MPN 5872). Key specifications — Display Sell UOM: EA; Features: Hose Has Push Button Release Valve; Includes: 45° Adapter; Tool Type: Compression Tester; Testing Application: Compression Gauge; Brand: OTC; Compatible Vehicle Part: Engine; Tester Type_Broad: Compression Testers.
OTC
OTC Compression Gauge: Compression Testers, Compression Tester, Compression Gauge, Engine, 1 Pieces (MPN 5872). Key specifications — Display Sell UOM: EA; Features: Hose Has Push Button Release Valve; Includes: 45° Adapter; Tool Type: Compression Tester; Testing Application: Compression Gauge; Brand: OTC; Compatible Vehicle Part: Engine; Tester Type_Broad: Compression Testers.
OTC Compression Tester Kit: Compression Testers, Compression Tester Kit, Compression Testing, Engine (MPN 5605). Key specifications — Display Sell UOM: EA; Features: Dual Scale Gauge Reads 0 to 300 psi and 0 to 2100 kPa; Includes: Repair Parts Kit; Tool Type: Compression Tester Kit; Testing Application: Compression Testing; Brand: OTC; Compatible Vehicle Part: Engine; Tester Type_Broad: Compression Testers.
OTC
OTC Compression Tester Kit: Compression Testers, Compression Tester Kit, Compression Testing, Engine (MPN 5605). Key specifications — Display Sell UOM: EA; Features: Dual Scale Gauge Reads 0 to 300 psi and 0 to 2100 kPa; Includes: Repair Parts Kit; Tool Type: Compression Tester Kit; Testing Application: Compression Testing; Brand: OTC; Compatible Vehicle Part: Engine; Tester Type_Broad: Compression Testers.