15pc 18mm Trans Pan Drain Washer 90471-PX4-000 Replacement for Honda/Acura

Name: 15pc 18mm Trans Pan Drain Washer 90471-PX4-000 Replacement for Honda/Acura
Brand: AUTOMAJOR
SKU: B09PD648BG
Price: 7.45 USD
Availability: InStock

✅ In stock

Grade

💤 Not a Deal

0.78/100

Current Price

$7.45

Listed $7.45

Analysis Confidence 100%

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Price verified Nov 1, 2026 4:40 PM · Prices & availability subject to change

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Price Competitiveness 0/28

Recent Value 0/22

Market Standing 0.78/20

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Momentum 0/10

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Product Details

✓Honda and Acura run three washer sizes and they do not interchange. 14 mm, number 94109-14000, is the engine oil drain plug. 18 mm, number 90471-PX4-000, is this one and it seals the transmission pan drain plug. 20 mm, number 94109-20000, sits on the transmission of front wheel drive cars and on the rear differential of all wheel drive ones. AUTOMAJOR lists each separately plus a combination pack of the 18 and 20.

✓This is the transmission pan washer. Honda catalogues it as drain plug washer, with plug washer and transmission pan washer as its other names, and it crosses to 16955. Fifteen to a pack, which covers fifteen fluid services — more than most cars see in the years anyone owns them, and enough for a small shop to keep a jar on the bench instead of ordering one washer at a time at four times the price.

✓Measured size is 18.2 mm inner by 25.8 mm outer by 1.9 mm thick, or 0.72 in by 1.02 in by 0.075 in. The material is soft aluminum, and that is the point rather than a shortcoming: a crush washer is meant to deform. It flows into the machining marks on the pan face as the plug comes down to torque and takes the shape of the surface, which a hard washer cannot do. Compare yours against those three figures before ordering.

✓Fits Honda Accord and Accord Hybrid, Civic and Civic Hybrid, CR-V and CR-V Hybrid, CR-Z, Clarity, Crosstour, Del Sol, Element, Fit and Fit EV, HR-V, Insight, Odyssey, Passport, Pilot, Prelude and Ridgeline, and the Acura models built alongside them. No other make takes this washer — if your car is a Subaru, a Nissan or a Chevrolet, the drain plug seal for it carries a different number and a different size.

✓Every washer is single use. Honda calls for a fresh one at each fluid change, and a reused washer is one of the more common reasons a pan weeps a week after a service: once flattened it sits lower the second time and no longer fills the same marks. Suited to ATF DW-1, CVT fluid HCF-2, manual gear oil and Dual Pump Fluid II. Torque the plug to the figure in your service manual, then look under the car again after a short drive while everything is still warm.