FA-6102 High-Flow Washable Air Filter – Replaces OEM 6102-Style Air Filters

$525.00

FA-6102 high-flow, washable air filter

After decades working on heavy-duty diesel engines, I’ve learned that intake restriction rarely shows up as an obvious failure. It shows up as higher EGTs, sluggish throttle response, excess soot, and DPF systems that regen more often than they should. OEM 6102 paper filters do their job when they’re new, but once they start loading with dirt, restriction climbs fast.

That’s why I designed the FA-6102.

This is a high-flow, washable air filter, engineered to maintain airflow over time instead of choking the intake as miles add up. The synthetic filter media resists collapse and airflow drop-off under sustained load, keeping the turbo operating in its efficiency range and combustion stable.

Sealing matters just as much as airflow. The FA-6102 uses OEM-matched sealing geometry so air goes through the filter — not around it. No bypass means better protection for the turbo, charge-air cooler, and engine internals.

Instead of throwing away paper filters every service interval, you wash the FA-6102, oil it correctly, reinstall it, and keep running. One filter replaces years of disposable elements, reduces downtime, and lowers long-term operating cost without sacrificing engine protection.

Compatibility Note:
If your truck or equipment calls for an OEM 6102-style air filter, the FA-6102 is a direct drop-in replacement with no modifications required.

Replaces OEM & Aftermarket Filters (Table Format)

Brand / Category	Filter Part Number or Type Replaced
OEM	6102 Air Filters
OEM / Aftermarket	6102-Style Paper Filters
Aftermarket	Equivalent 6102-Series Intake Filters
Fleet / Fleetguard	6102 Equivalent Filters
Baldwin	6102 Equivalent Filters
Donaldson	6102 Equivalent Filters
Wix / NAPA	6102 Equivalent Filters

Note: Replacement compatibility is based on factory 6102 dimensions and sealing geometry. Exact brand part numbers may vary by catalog.

Cross-Reference Table

OEM / Factory Part #	Application Type	Replaced By
6102	Heavy-Duty Diesel Intake	FA-6102
6102-Style Paper Filter	Class 6–8 Diesel	FA-6102

6. Features & Benefits

Features

High-flow washable synthetic filter media
OEM-matched sealing flange
Designed for turbocharged diesel airflow
Reusable, serviceable construction
Drop-in replacement for 6102-style filters
Built for high-mileage and fleet use

Benefits

Maintains consistent airflow under load
Reduces intake restriction over time
Helps reduce forced DPF regens
Lower exhaust gas temperatures
Improved throttle response
Less downtime from filter replacements
Long-term savings vs disposable paper filters

7. Competitor Differentiation

Disposable paper filters are built to be thrown away. As they load with dirt, restriction rises and performance falls off.

I built the FA-6102 to hold airflow steady over time, not just look good when it’s clean. Washable media keeps restriction lower, sealing surfaces actually seal, and the filter doesn’t become trash after one dirty service cycle.

Disposable filters keep you buying. A properly engineered washable filter keeps your engine breathing right and your operating costs under control.

Made in the USA!

Now introducing powder coated Fleet-Filters!

Price may vary according to color.

*Price does not include Klotz Oil*

FA-6102 High-Flow Washable Air Filter – Replaces OEM 6102-Style Air Filters