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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
Category
Compression Testers
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

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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
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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.

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This compression tester kit is used for engine compression testing to assess cylinder health, valve sealing, and ring wear. It includes a 26-inch hose and release valve, with adapters that work on both flat and tapered seat spark plug holes
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This compression tester measures engine cylinder compression to diagnose piston rings, valves, and head gasket condition. It features a hose with a push-button release valve and includes a 45° adapter. Suitable for automotive and industrial engine maintenance
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This compression tester measures engine cylinder compression to diagnose piston rings, valves, and head gasket condition. It features a hose with a push-button release valve and includes a 45° adapter. Suitable for automotive and industrial engine maintenance
Compression tester kit for engine compression testing. Dual-scale gauge reads 0 to 300 psi and 0 to 2100 kPa. Includes repair parts kit. Used to measure cylinder pressure for diagnosing piston ring, valve, and head gasket conditions
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Compression tester kit for engine compression testing. Dual-scale gauge reads 0 to 300 psi and 0 to 2100 kPa. Includes repair parts kit. Used to measure cylinder pressure for diagnosing piston ring, valve, and head gasket conditions
This compression tester kit is used for engine compression testing to diagnose cylinder pressure issues. It includes a 2-1/2 in digital gauge with backlit LCD and protective outer boot, a 12 in flex hose, and a 14 mm long reach adapter. Suitable for automotive and industrial engine applications
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This compression tester kit is used for engine compression testing to diagnose cylinder pressure issues. It includes a 2-1/2 in digital gauge with backlit LCD and protective outer boot, a 12 in flex hose, and a 14 mm long reach adapter. Suitable for automotive and industrial engine applications
Digital compression gauge head with protective boot for engine compression testing. Features a push-button side release valve that relieves pressure for repeat testing. Used to measure cylinder pressure to identify worn rings, leaking valves, or head gasket issues
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Digital compression gauge head with protective boot for engine compression testing. Features a push-button side release valve that relieves pressure for repeat testing. Used to measure cylinder pressure to identify worn rings, leaking valves, or head gasket issues