⚙️Transmission Fluid

Honda Ridgeline Transmission Fluid

Factory manual transmission fluid type & capacity for the Honda Ridgeline. Exact capacities and specs extracted from the LEMON service manual archive.

Last updated: 2026-11-05 • Reading time: 8 min • By AllOEMManuals Editorial Team

Quick Answer

2020-2024 Honda Ridgeline ATF: 3.70 QTS. (3.5 L) — HONDA Automatic Transmission Fluid ATF - Type 3.1 or higher.

GenerationYearsTop spec
2020-20242020-20243.70 QTS. (3.5 L) — HONDA Automatic Transmission Fluid ATF - Type 3.1 or higher
2017-20192017-20193.30 QTS. (3.12 L) — HONDA Automatic Transmission Fluid ATF DW-1 Note: Using a transmission fluid other than HONDA ATF DW-1 may adversely affect the operation and durability of your vehicle's transmission, and damage the transmission. Any damage caused by using a transmission fluid that is not equivalent to Honda ATF DW-1 is not covered by Honda's new vehicle warranty.

This vehicle's factory manual

Honda Ridgeline: choose your year, then confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.

Open this vehicle’s service manual

Honda Ridgeline maintenance schedule

Factory Manual ConfirmationTransmission Fluid

Know the exact transmission fluid job for your Honda Ridgeline

2020-2024 Honda Ridgeline ATF: 3.70 QTS. (3.5 L) — HONDA Automatic Transmission Fluid ATF - Type 3.1 or higher.

Fluid type and capacity can change by engine, drivetrain, and transmission. Verify the exact branch before filling anything. Once the spec is confirmed, use the supplies and purchase links below to build the full one-trip shopping list before you start the repair.

Exact Vehicle Check

The button opens the factory book for this vehicle. Use the engine picker only when your trim is not the one this page already matched.

Open the factory manual above to confirm the exact engine before ordering parts.

2020-2024

Automatic Transmission Fluid3.70 QTS. (3.5 L) — HONDA Automatic Transmission Fluid ATF - Type 3.1 or higher

2017-2019

Automatic Transmission Fluid3.30 QTS. (3.12 L) — HONDA Automatic Transmission Fluid ATF DW-1 Note: Using a transmission fluid other than HONDA ATF DW-1 may adversely affect the operation and durability of your vehicle's transmission, and damage the transmission. Any damage caused by using a transmission fluid that is not equivalent to Honda ATF DW-1 is not covered by Honda's new vehicle warranty.
Notes
  • →Using a transmission fluid other than HONDA ATF DW-1 may adversely affect the operation and durability of your vehicle's transmission, and damage the transmission. Any damage caused by using a transmission fluid that is not equivalent to Honda ATF DW-1 is not covered by Honda's new vehicle warranty.

Parts and supplies

These links search for related products. Check your year, engine, specification, and fitment with the seller before ordering.

Search for parts
Check fitment

Honda Ridgeline Transmission Fluid

Confirm the specification and fitment for your exact vehicle before ordering.

We earn a small commission if you buy through these links — at zero extra cost to you. These are search results, not verified vehicle-specific recommendations.

Transmission Fluid — Manual's Parts List

Wrong fluid destroys transmissions. Get the exact spec.

Vehicle-Scoped Amazon Search

Opens Amazon with Honda Ridgeline prefilled so you can confirm fitment and avoid wrong parts.

Shop Exact Match on Amazon

Get everything at once

Search results vary; confirm each item and its fitment before buying.

See All on Amazon

Links go to Amazon via our affiliate store (aiautorepair-20). We earn a small commission at no extra cost to you — it keeps the site running and the data free.

One-Trip Shopping List

Recommended supplies and tools for this job, grouped so you can buy everything before the repair starts.

Frequently Asked Questions

Where is this data from?
Extracted directly from the LEMON factory service manual archive. Sources are cited per generation.
What transmission fluid does a Honda Ridgeline use?
2020-2024 Honda Ridgeline ATF: 3.70 QTS. (3.5 L) — HONDA Automatic Transmission Fluid ATF - Type 3.1 or higher.
When should I change the transmission fluid in a Honda Ridgeline?
Factory service manuals typically recommend transmission fluid changes every 30,000–60,000 miles for automatics and 60,000–100,000 miles for manuals under normal use. Severe service intervals are shorter. Check your maintenance schedule for the exact mileage.

Find your service manual

Select your vehicle and check the available manual sections for your exact configuration.

Author & Review

Published by AllOEMManuals, founded by Lyndon Bedford, an automotive technician with 20 years of experience. He owned and operated a mechanic shop in Hurst, Texas from 2014 to 2022 and continues hands-on repair work.

Content may combine manual references, general repair templates, and AI-assisted drafting. Confirm the source, vehicle configuration, and applicability before working. Report corrections through our contact page.

Last updated: 2026-11-05

Need a full step-by-step repair guide?

Start Free AI Diagnosis →

100% Free — No signup required