R&J Manufacturing Co.Custom seals and electrical harnesses for any testing application
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Electrical Test Harnesses
& Leak Test Seals

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What We Provide

Wide Range Of Our Products

Standard Seal Catalog

Proven engine and transmission leak test seal designs since 1962, delivering reliable, repeatable sealing performance in demanding test environments.

Custom Leak Test Seals

Custom leak test seals tailored to your requirements, engineered with high-performance materials for durability, precision fit, and consistent real-world performance.

Electrical Test Connectors and Harnesses

Urethane-molded connectors with replaceable pogo pins for accurate, repeatable sensor testing on engines and transmissions in high-cycle testing environments.

ECM/TCM Programming Pods

Custom ECM and TCM programming pods with durable urethane molding and replaceable pogo pins for reliable module communication across every programming cycle.

R&J Manufacturing Co.

Engineered electrical test harnesses and leak test seals for automotive test applications.

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Contact Us

3200 Martin Rd., Commerce Township, MI 48390

Phone: 248-669-2460

Fax: 248-669-3006

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