1.45" Tappets | 5.9L 6.7L Cummins | 1989-2018

1.45″ Tappets for 1989–2016 Dodge Cummins – Expanded Surface Area for Longer Lobe Life

Upgrade your valvetrain with these 1.45″ tappets, specifically designed to fit all 1989–2016 Dodge Cummins engineswithout interfering with the 12V fuel pump eccentric. By increasing the tappet diameter from the older 1.1″ standard, you gain more surface area—promoting significantly better lobe life even when running today’s lower-zinc oils.

Key Benefits

• Broad Compatibility: Suitable for 12V, 24V, and common-rail Cummins platforms from 1989 through 2016.
• No Eccentric Interference: Engineered to clear the 12V fuel pump eccentric for hassle-free installation.
• Wider Lobe Contact: With a larger 1.45″ tappet face, these components reduce wear and extend camshaft life.
• Modern Oil Friendly: Higher surface area mitigates the challenges posed by low-zinc oils, preserving crucial valvetrain integrity.

Whether you’re pushing for extra power or simply looking to enhance engine longevity, these 1.45″ Tappets offer superior wear resistance and extended camshaft life—making them an essential upgrade for your Dodge Cummins.

Approved oils:

• Valvoline Full Synthetic 15W-40
• Valvoline Synthetic Blend 15W-40
• Valvoline All-Terrain 15W-40
• Schaeffer’s 15W-40
• Mobil Delvac Extreme 15W-40
• LIQUI MOLY Touring High Tech 15W-40
• Driven Racing Oil 15W-40
• Redline 15W-40

Acceptable:

• Shell Rotella T6 Full Synthetic 15W-40
• Shell Rotella T5 15W-40

Preferred filter: Fleetguard Stratapore LF16035. Running a non-approved oil voids the warranty. All warranty claims must include the failed parts and an oil sample.