Skip to product information
Primary Heavy-Duty Air Filter P625128 for Kenworth / Peterbilt - Northline Parts product image

Primary Heavy-Duty Air Filter P625128 for Kenworth / Peterbilt

SKU: NLT2T01995
$133.69 In Stock
$133.69
Sale price  $133.69 Regular price 
Ships for free in 2–4 business days.
Keep abrasive road dust out of a compatible heavy-truck intake with a primary radial-seal filter referencing Donaldson P625128. Match the air-cleaner housing, not just the truck badge.
Estimated delivery between
Shop at Northline Parts Best Customer Service Best Online Parts

Let Northline Parts Do the Heavy Lifting for You!

Not sure which part you need? Our team can help you find the right replacement.

Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT

Live Chat: Available 24/7

I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model
  • Selected Kenworth and Peterbilt models using the matching primary radial-seal air cleaner, including cataloged W900 and Peterbilt 379/388/389 configurations.

P625128 catalog dimensions are approximately 12.95-inch outer diameter and 26.19-inch overall length; compare actual filter dimensions and housing design.

Product Overview

A restricted air cleaner can contribute to reduced power and unnecessary intake restriction. This large primary element is serviced by removing the old filter, inspecting the housing seal and installing the correct replacement without allowing loose dirt into the intake.

Key Features & Performance

  • A restricted air cleaner can contribute to reduced power and unnecessary intake restriction.
  • P625128 catalog dimensions are approximately 12.95-inch outer diameter and 26.19-inch overall length; compare actual filter dimensions and housing design.

OE / Reference Numbers

  • P625128
  • P614556
  • RS5287
  • RS5287XP
  • AF4197
  • AF25144
  • LAF4556
  • WA10149
  • X011622
  • X011623
  • DA8137 (verify by housing)

Common Reasons for Replacement

This large primary element is serviced by removing the old filter, inspecting the housing seal and installing the correct replacement without allowing loose dirt into the intake.

Frequently Asked Questions

Is this an OEM part? This listing is for a replacement part, not a genuine manufacturer-branded item unless expressly stated otherwise.

How do I check fitment? P625128 catalog dimensions are approximately 12.95-inch outer diameter and 26.19-inch overall length; compare actual filter dimensions and housing design.

Part Summary

keywords: Primary Heavy-Duty Air Filter P625128 for Kenworth / Peterbilt, P625128, P614556, RS5287, RS5287XP, AF4197, AF25144, LAF4556, WA10149, Selected Kenworth and Peterbilt models using the matching primary radial-seal air cleaner, including cataloged W900 and Peterbilt 379/388/389 configurations.

Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.

Customers also purchased