K371029 K371012 K371011 Fuel Filter for Paccar Peterbilt Kenworth FS20172

This Fuel Filter (cross numbers K37-1029, K37-1012, K37-1011) is a replacement fuel filter element compatible with Paccar, Peterbilt, and Kenworth trucks and matches OEM Part# FS20172.

Product Overview

This fuel filter provides essential filtration for diesel engines in heavy-duty trucks from Paccar, Peterbilt, and Kenworth. It captures contaminants and moisture to protect fuel injectors and extend engine life. Designed for fleet maintenance and owner-operators, it meets OEM performance standards.

Key Features & Performance

• High-efficiency filtration media traps particles down to 10 microns
• Includes integral water separator for moisture removal
• Rugged steel canister withstands high-pressure fuel systems
• Easy spin-on installation for quick filter changes
• Compatible with diesel fuel systems up to 150 psi

Fitment & Compatibility

• Paccar heavy-duty trucks
• Peterbilt heavy-duty trucks
• Kenworth heavy-duty trucks

Common Uses

• Fuel filtration in long-haul and regional diesel trucks
• Replacement during scheduled oil and filter maintenance intervals
• Use in fleet vehicles to ensure consistent fuel quality
• Installation on trucks with Paccar, Peterbilt, or Kenworth engines

Technical Specifications

• Part Number(s): K37-1029, K37-1012, K37-1011, FS20172

Frequently Asked Questions

Q: Is this filter compatible with water-in-fuel sensors? A: Yes, this filter includes a drain valve and sensor port compatible with standard water-in-fuel warning systems.

Q: What is the recommended replacement interval? A: Typically every 15,000 to 25,000 miles depending on fuel quality and operating conditions.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.