Description

P607557 & P608677 Heavy Duty Engine Air Filter Set

The P607557 primary air filter, paired with its companion P608677 main filter, is a high-performance dual-stage engine air filtration solution designed for heavy-duty trucks, agricultural machinery, and commercial equipment. Engineered to provide superior contaminant removal and maximum airflow, this filter set helps protect diesel engines operating in dusty, demanding environments.

Modern diesel engines require clean intake air to maintain fuel efficiency, engine performance, and long service life. Dust, dirt, sand, and airborne debris can cause premature wear to pistons, cylinders, turbochargers, and other critical engine components. The combination of P607557 (primary/safety filter) and P608677 (main filter) provides comprehensive protection by filtering contaminants before they enter the combustion system. As explained in this overview of primary and secondary air filter function, a two-stage filtration setup like this one gives the engine a layered defense — the main filter captures the bulk of incoming debris, while the P607557 safety filter protects against anything that gets past it or against damage to the primary element.

Manufactured using premium filtration media and designed to meet OEM specifications, this filter set is ideal for fleet operators, truck repair facilities, agricultural equipment dealers, and aftermarket distributors.

Product Features

Complete P607557 (safety/primary) and P608677 (main) filter set
Compatible with P607557 and P608677 applications
Replaces Massey Ferguson 4286473M1, 4286473M2, and additional cross-references below
High-efficiency filtration media
Excellent dust-holding capacity
Low airflow restriction design
OEM-quality sealing performance
Protects turbochargers and engine components
Durable construction for severe-duty environments
Suitable for OEM, wholesale, and aftermarket markets
OEM and ODM manufacturing available

Product Specifications

Item	Specification
Product Name	Engine Air Filter Set
Safety Filter	P607557
Main Filter	P608677
Height	341 mm (13.41 in)
Overall Width	204 mm (8.05 in)
OEM Reference	4286473M1, 4286473M2
Filter Type	Primary & Safety Air Filter
Filtration Media	High-Efficiency Cellulose / Synthetic Blend
Function	Engine Air Intake Filtration
Application	Heavy-Duty Trucks & Agricultural Equipment
Installation	Direct Replacement
Service	OEM / ODM Available
Origin	China

Compatible Vehicle Applications

Freightliner Trucks

Freightliner MT45
Freightliner MT55

Ford Medium-Duty Trucks

Ford F650 (2008–)
Ford F750 (2008–)

Massey Ferguson / AGCO Agricultural Equipment

Compatible with selected Massey Ferguson tractors and AGCO agricultural machinery, including the RT165A, utilizing OEM references:

4286473M1
4286473M2

Fitment may vary depending on production year and engine configuration. Please verify part numbers before ordering.

Cross Reference Numbers

This air filter set replaces:

Safety / Primary Filter

P607557

Main Filter

P608677

OEM & Cross-Reference Numbers

4286473M1
4286473M2
368266M91
333S9595
10652140
40944904
3045632
P617499
5203965

Other Brand Equivalents

Luber-finer LAF6889

Additional aftermarket references may vary by manufacturer and application.

Product Benefits

Dual-Stage Filtration Protection

The P608677 main filter captures large contaminants while the P607557 safety filter provides secondary protection to prevent engine damage.

Improved Engine Performance

Maintains proper airflow to support efficient combustion, horsepower, and fuel economy.

Extended Engine Service Life

Reduces the risk of abrasive contaminants entering the engine and causing premature wear.

Lower Operating Costs

High-capacity filtration media helps extend maintenance intervals and reduce downtime.

Applications

Suitable for:

Commercial delivery fleets
Municipal service vehicles
Freight transportation fleets
Agricultural tractors
Farming equipment
Construction machinery
Fleet maintenance facilities
Equipment rental companies

Quality Assurance

Each air filter set undergoes strict quality control procedures, including:

Filtration efficiency testing
Airflow restriction testing
Dust-holding capacity testing
Seal integrity inspection
Structural durability testing
Dimensional accuracy verification

These tests ensure reliable OEM-equivalent performance and long-term durability.

Why Choose Our Air Filter Products?

As a professional filter manufacturer, we provide filtration solutions for heavy-duty trucks, agricultural machinery, construction equipment, and industrial applications worldwide.

Contact our sales team today for a bulk quote and free samples!

Our Advantages

OEM-quality production standards
Factory-direct pricing
Stable production capacity
Custom branding available
Private-label packaging support
Fast global delivery
Low MOQ for distributors

Frequently Asked Questions

What is the P607557 filter used for?

The P607557 is the safety (secondary) filter in a two-stage filtration set, paired with the P608677 main filter. Together they protect Freightliner MT45/MT55, Ford F650/F750, and select Massey Ferguson equipment from dust and debris.

Why does this system use both a primary and safety filter?

The P608677 main filter captures most contaminants, while the P607557 safety filter provides additional engine protection if the main filter becomes damaged or overloaded.

Is this a direct replacement for P607557 and P608677?

Yes. The filter set is designed as a direct replacement with OEM-quality fit and performance.

What equipment commonly uses these filters?

Freightliner MT45 and MT55 trucks, Ford F650 and F750 trucks (2008 and later), and selected Massey Ferguson and AGCO agricultural equipment, including the RT165A, commonly use these filter references.

Do you offer OEM and private-label services?

Yes. We support OEM production, customized packaging, and private-label branding for distributors and wholesalers.

P607557 Primary Air Filter (Set with P608677) | Freightliner MT45 MT55, Ford F650 F750 & Massey Ferguson