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The genuine Annovi Reverberi gasket for the AR1636 gear reduction box. It's item #20 on AR's AR1636 parts list. Replace it whenever the gearbox is opened for service, or if gear oil is seeping from the gearbox, since a reused or worn gasket is a common source of oil leaks.
| Part Number | AR 620950 |
| Parts Diagram | Item #20 on the AR1636 gearbox |
| Fits | AR1636 gearbox (used on AR30, AR303 and AR403 pumps) |
My gearbox is leaking oil. Is it the gasket?
It's a likely cause, especially if the gearbox has been opened before. Also check the oil level, since overfilling can push oil past the seals. Fill only to the ridge on the dipstick with 90W gear lube.
Will it fit the AR1666 gearbox?
No. The AR1666 is a different design with its own gasket. This gasket is for the AR1636. Call us at 602-371-1993 if you're not sure which gearbox you have.
Download AR30/AR40 Pump Manual & Parts Breakdown (includes AR1636 gearbox)
MODEL: AR 620950
$3.29
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