Name: 12pc Transmission Diff Drain Washer 18mm 20mm Replacement for Honda/Acura
Brand: Automajor
SKU: 445007636
Price: 53.93 PEN
Availability: InStock
Rating: 4.875 (8 reviews)

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

Six of each size so you do not have to work out which one your car takes before you order. Honda and Acura use both an 18 mm and a 20 mm washer across the same model names, and which one is on your car depends on the gearbox and the drivetrain rather than the badge. With both in the box the right seal is already in your hand when the plug comes out and the fluid starts draining.
Where each size sits, and why the lists overlap. The 20 mm washer 94109-20000 seals the transmission drain plug on front wheel drive cars — on a 2022 Civic with the CVT it sits in the AT transmission case group of the parts diagram — and moves to the rear differential on all wheel drive cars, where a 2022 Pilot AWD shows the same number in the rear differential group. The 18 mm 90471-PX4-000 is the transmission pan washer.
Neither size goes on the engine. The engine oil drain plug on Honda and Acura takes the 14 mm washer, Honda number 94109-14000, and that is a separate AUTOMAJOR listing. If you are under the car for an oil change rather than a fluid service on the gearbox or the rear axle, this is not the pack you want and neither size will seat on the plug. Search the number 94109-14000 and you will land on the right one.
The 18 mm is Honda 90471-PX4-000, catalogued as drain plug washer and transmission pan washer, crossing to 16955, measuring 18.2 mm inner by 25.8 mm outer by 1.9 mm thick. The 20 mm is Honda 94109-20000, which supersedes 90413-551-000, measuring 20.2 mm inner by 27 mm outer by 2 mm thick. Both are soft aluminum and both are single use rather than something to clean up and refit.
Covers the transmission and rear axle drain points across Accord, Civic, CR-V, Odyssey, Pilot, Ridgeline, HR-V, Passport, Insight, Element, Fit, S2000, Prelude, Crosstour, CR-Z, Clarity, Del Sol and CRX, and the Acura range alongside them. That list is for the gearbox and the differential, not for the engine sump. Suited to ATF DW-1, CVT fluid HCF-2, manual gear oil and Dual Pump Fluid II.

Buy 12pc Transmission Diff Drain Washer 18mm 20mm Replacement for Honda/Acura | 6 each of 90471-PX4-000 and 94109-20000 aluminum seals gearbox plug on FWD rear differential on AWD 16955 by AUTOMAJOR: Drain Plug - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: It works well! - Great Quality! Highly Recommend for Honda! Review: Drain plug crush washers - They worked great. Quality sealing and liked multiple sizes

Specifications

ASIN	B09SLZR315
Best Sellers Rank	#181 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Drain Plug Gaskets
Brand	AUTOMAJOR
Brand Name	AUTOMAJOR
Color	Silver
Customer Reviews	4.6 out of 5 stars 682 Reviews
Item Highlight	6 each of 90471-PX4-000 and 94109-20000 aluminum seals gearbox plug on FWD rear differential on AWD 16955 by AUTOMAJOR
Item Shape	Flat
Item Thickness	20 millimeters
Item Weight	0.02 kg
Manufacturer	AUTOMAJOR
Material	Copper
Material Type	Copper
Model	Honda-Acura M18+M20
Number of Items	15
Part Number	94109-20000
Set Name	12pcs
Shape	Flat
UPC	787416893661

Reviews

D**.

It works well!

Great Quality! Highly Recommend for Honda!

20.09.2026

W**S

Drain plug crush washers

They worked great. Quality sealing and liked multiple sizes

13.08.2026

E**W

Parts fit and good quality

Would purchase again

13.08.2026

T**I

Good for Honda Pilot 2025 Black Edition

Good for Honda Pilot 2025 Black Edition. No problem at all, no leak, fits perfectly.

23.09.2026

S**R

Change your crush washers everytime you for a drain and fill.

Just what you need if you're doing the CVT fluid on your 10th Gen Civic. The drain plug takes the 18mm crush washer. And the fill plug takes the 20mm crush washer.

19.08.2026

S**.

Get products out sooner.

It took a little while, but I did receive the items I ordered.

3.08.2026

J**M

Perfect

Exactly what they say they are and do what you would hope they would do.

16.09.2026

A**G

Awesome

Great replacement. Come with both sizes drain and fill. Works for both front and rear differential. Will buy again when needed thanks

30.05.2026

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S/.53

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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