SCREW
The PAI 40026 Screw (sold via Wofford Truck Parts) is a fillister-head slotted screw (1/2-20 × ½") with lock washer, designed as a direct replacement for Cummins engines such as the 855, N14, and related variants. Manufactured to OEM standards of strength and fit, this screw ensures reliable fastening and torque retention in demanding engine applications. Ideal as a hardware replacement in engine rebuilds or maintenance.
$0.78
Specifications
The PAI 40026 Screw is a precision fillister-head slotted screw with an integrated lock washer, produced by PAI Industries for heavy duty engine use. According to vendor sources, it is used as a direct replacement for Cummins part 70772 in Cummins 855 and N14 engine series. sadlerpowertrain.com+2woodlineparts.com+2 Its specification includes ½-20 thread × ½" length, Grade 5 material, and finish suited for engine environments. sadlerpowertrain.com+1 PAI’s design tolerances and materials ensure that this screw handles vibration, thermal cycling, and torque retention. Because fasteners are critical for engine integrity, it is essential to confirm thread size, engagement depth, and torque spec when substituting or installing. PAI backs its hardware with testing and warranty coverage based on its manufacturing quality standards.
Compatibility
Freightliner — FLD / Classic / Century / Columbia / FL series — 1985–2006
Kenworth — W900 / T800 / T600 (and vocational variants) — 1985–2005
Peterbilt — 359 / 379 / 377 / 378 (conventional models) — 1985–2007
International / Navistar — 9200 / 9400 / 9300 / 9900 / 9400i (conventional & highway chassis) — 1990–2005
Volvo / White GMC — VN / conventional models (select builds with Cummins options) — 1995–2005
Mack — select highway/vocational models when ordered with Cummins N14 options — 1990s–2000s (select years)
Western Star — 4900 / 4900EX / 6900 (when spec’d with Cummins N14) — 1990s–2000s
Motorhomes / RV chassis & bus/chassis builders (Workhorse, Blue Bird, etc.) — various years — 1980s–2000s
Medium/industrial off-highway applications using Cummins 855 / N14 — 1980s–2000s
Alternative Part Numbers
040026
CUM70772
PAI 40026
PAI 040026
70772
