Doc's Diesel Transmission Filter Kit for 6.7L RAM 3500/4500/5500 (2013–2024) — Aisin AS69RC Fitment, OEM-Style Flow

Doc's Diesel Transmission Filter Kit replaces the transmission filter in 6.7L RAM 3500, 4500, and 5500 trucks (2013–2024) equipped with the Aisin AS69RC transmission to restore proper fluid flow and shift performance.

If your Cummins‑powered RAM is showing delayed or harsh shifts, dark transmission fluid, or has entered limp mode, a clogged transmission filter can be the culprit. This kit is engineered to match the OEM fitment for the 6.7L high‑output Cummins and Aisin AS69RC transmission used across the Ram 3500, 4500, and 5500 model years 2013 through 2024. Installing a fresh filter during fluid service helps maintain line pressure, improve shift consistency, and reduce stress on internal transmission parts.

How will this filter kit affect shift quality?

Replacing a restricted transmission filter restores proper hydraulic flow and helps the valve body operate as intended, improving shift timing and smoothness. Drivers commonly notice firmer, more predictable upshifts and fewer delayed or harsh gear changes after service.

• Re-establishes correct line pressure for consistent shift timing
• Reduces slipping or hunting between gears caused by low flow
• Helps avoid limp mode triggered by overheating or low pressure

Which trucks and years does this fit, and how do I confirm fitment?

This kit is built specifically for Ram 3500, 4500, and 5500 trucks with the 6.7L high‑output Cummins engine paired with the Aisin AS69RC transmission, covering model years 2013–2024. Use the vehicle fitment card or your VIN to verify exact compatibility before purchasing.

• Fits 2013–2024 Ram 3500, 4500, 5500 with 6.7L high‑output Cummins
• Designed for Aisin AS69RC transmissions in these model configurations
• Confirm with VIN or the product fitment checker on this page

When should I change the transmission filter?

Change the filter whenever you replace the transmission fluid or if you experience symptoms like delayed shifts, harsh gear engagement, dark fluid, or overheating. Regular replacement at scheduled fluid services prevents clogging and preserves transmission life.

• Replace during each fluid service interval or when shifting issues appear
• Watch for dark, contaminated fluid and increased operating temperatures
• Proactive changes reduce wear on clutches, bands, and valve body components

What comes in the kit and is installation straightforward?

The kit includes the replacement filter designed to match OEM dimensions and flow characteristics for the Aisin AS69RC. Installation is a standard transmission service task; technicians can complete it during a fluid change, and DIYers with the correct tools can follow vehicle‑specific procedures.

• Contains a precision‑fit transmission filter for direct replacement
• Matches OEM flow specs to maintain factory line pressure
• Recommended installation during a full fluid change by a qualified technician

Who is this for: This Doc's Diesel Transmission Filter Kit is aimed at Ram owners and fleet managers who operate 6.7L high‑output Cummins 3500/4500/5500 trucks from 2013–2024 and want to maintain reliable shift behavior, prevent overheating, and extend transmission service life. It’s ideal for those performing routine maintenance, resolving shift complaints, or preparing trucks for heavy towing and commercial duty.