Sleeve Height and Counter Bore Gauge 0-1.00in - Precision Diesel Tool

In this review the Sleeve Height and Counter Bore Gauge kit is evaluated for engine builders and heavy-duty mechanics who need consistent, repeatable measurements on sleeved diesel cylinders. The reviewer found the kit delivers on its promise of ultra-precision measuring for sleeve height and counterbore depth while remaining a practical bench-to-bay tool thanks to the included case and accessories. It is best for technicians working on Caterpillar, Cummins, Detroit Diesel and similar engines who require a compact, accurate dial indicator setup for multiple-point checks.

Key Features

• Wide compatibility: Designed to fit diesel engines and all engines with sleeved cylinders including popular makers such as Caterpillar, Cummins, Ford and John Deere, which saves time sourcing different gauges.
• Complete kit: Includes a 4374 dial indicator, 4375 base, flat and pointed contacts, hex wrench and carrying case so users can measure immediately and keep parts organized.
• High resolution: The 0-1.00in measuring range with 0.001in graduations and 0-100 reading makes fine adjustments and comparisons precise for piston-to-deck and valve protrusion work.
• Interchangeable contacts: Pointed contact for sleeve height and flat contact for counterbore depth let the tool be used for multiple tasks without compromising accuracy.
• Robust construction: Hardened stainless steel rack and stem with jeweled bearings and a hard coated crystal dial face provide durability and smooth operation in workshop environments.
• User focused design: A rotatable bezel with clamp and movable limit markers permit easy zero setting and quick repeat measurements at multiple points.

Who It's For

This gauge kit is ideal for professional diesel mechanics, engine rebuild shops and precision technicians in automotive and aerospace support roles who need reliable, repeatable measurements of sleeve height, counterbore depth and piston-to-deck height. The portability and included case make it useful for field service work on trucks, construction equipment and industrial engines.

Hobbyists with occasional engine work will appreciate the accuracy but may find the full kit more than needed if they rarely measure to 0.001in resolution; similarly, users who require metric readouts or ranges beyond 1.00in should look for alternate instruments tailored to those needs.

Pros & Cons

Pros

• Very precise 0.001in graduations for fine measurement tasks.
• Comes as a usable kit with base, two contacts and a case for organized transport and storage.
• Sturdy, workshop-ready construction with jeweled bearings and hard coated dial face.

Cons

• Reading and range are imperial only (0-1.00in), which may not suit shops that prefer metric instruments.

Specifications

Brand	E-cowlboy
Measuring range	0-1.00in
Graduation	0.001in
Dial reading	0-100
Included parts	4374 Dial Indicator, 4375 Base, 4377 Flat Contact, 4378 Pointed Contact, Hex Wrench, Carrying Case
Materials	Hardened stainless steel rack, stem, spindle, jeweled bearings, hard coated crystal dial

Our Verdict

The kit represents a strong value for professionals who service sleeved diesel engines because it pairs precision with a complete, ready-to-use accessory set and durable construction. For engine shops needing consistent sleeve height and counterbore checks to 0.001in, this gauge is a practical, reliable choice that reduces setup time and improves measurement repeatability.

Frequently Asked Questions

Is this gauge suitable for all diesel engines?
Yes, the kit is designed to work with diesel engines and other engines that use sleeved cylinders, including many common makes and heavy equipment models.

What is the measurement resolution?
The dial indicator reads 0-1.00in with 0.001in graduations and a 0-100 reading for fine measurements.

Does the kit include contacts for different checks?
Yes, it includes a pointed contact for sleeve height and a flat contact for counterbore depth, plus a base and carrying case for organized use.