EXW Singapore — collect or forward from our Singapore office.

3G Electric
OTC 5603 Compression Gauge, Steel, 14 mm Thread for Flat and Tapered Seat Plugs - Compression Testers
OTCCompression Testers

OTC 5603 Compression Gauge, Steel, 14 mm Thread for Flat and Tapered Seat Plugs

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
5603 Compression Gauge, Steel, 14 mm Thread for Flat and Tapered Seat Plugs
Part Number
5603
Category
Compression Testers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

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

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
Fleet maintenance — OTC S06 6-ton medium-duty jack stands with V-notch saddle for supporting vehicles during underbody service
Bus and truck workshops — OTC 1520 mobile column lift, 10-ton capacity per column, 0 to 24 inch lift range for under-vehicle access
Forklift service — OTC 5214 manual-handle mechanical forklift jack, 4-ton capacity, steel body, for lifting during repair
Diesel engine fuel system service — OTC 5870-3 and 5870-2 injector height gauges for setting injector body height to 3.078 in or 1.484 in
Gasoline fuel injection diagnosis — OTC 6550 master fuel injection kit for GM TBI, Ford, Chrysler, Jeep, import, and CIS/CISE systems
Ford engine timing service — OTC 6472 camshaft sensor synchronizer tool for aligning camshaft sensors during engine work
Not sure this is the right part? Photo-identify it→

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 →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first