JSP Manufacturing® Aftermarket Sea Doo Spring Washer for Supercharger
This is a multi-pack item. Please select correct Package Quantity. The More Washers you buy the more you save!
This Aftermarket SeaDoo Spring Washer is compatible with many makes and models listed below. Tested for consistent quality and meets or exceeds original OEM specifications. Please check you part number before placing an order.
- New Aftermarket Sea Doo Spring Washer
- Brand new supercharger Belleville type washers
- Compatible with SeaDoo
- Direct aftermarket replacement
- Upgraded Steel washers - OEM were upgraded from ceramic to Steel in 2008
- Exact item is pictured
- Quantity: Multi-pack – quantity based on quantity selected
Replaces OEM Part Number:
420939220
Measures Approximately:
Inside diameter: .565 inch
Outside diameter: 27.432mm or 1.080 inches
Thickness: 1.5mm thick or .059 inch
Brand: JSP Manufacturing®
MPN: EP-Seadoowasher
Aftermarket Part fits the following Years, Make & Models:
Seadoo Supercharger:
2003-2005 GTX 4Tec SC Super Charger
2003-2005 GTX 4 Tec SC LTD Super Charger
2004 RXP SC Super Charger
2006 GTX SC Super Charger
2006 RXT Super Charger
2006 Sportster SCIC Super Charger
2006-2007 RXP SC Super Charger
2006-2007 Challenger 180 Super Charger
2006-2007 GTX LTD Super Charger
2006-2007 Speedster SC Super Charger
2007 Challenger 230 SC Super Charger
2007 GTX Wake BVIC Super Charger
2007 RXP BVIC Super Charger
2007 RXT BVIC Super Charger
Please Note:
2003-2007 super charger washers have 2 different inside diameters.
2008 and up have only the larger diameter washers.
We offer a 30-Day Guarantee, if you have any issues with your item, please contact us to resolve the problem.
Return Information
Returns will be the cost of the item purchased, any shipping costs that we incurred shipping to you, or any return shipping costs. All returns must be in unused, undamaged and unaltered condition. If you have any questions regarding your return, please contact us.
Shipping Information
We guarantee that if you place the order on a business day before 2PM, it will ship out that same day. If placed after 2PM, it will ship out the following business day. Unfortunately, once your order leaves our facility, we are unable to control delays or errors by the shipping carrier.
Please contact 
Via Chat or at 727-328-8733 If you are have any questions.
Monday - Friday 8AM-5PM.
We guarantee that if you place the order on a business day before 2PM (EST), it will ship out that same day. If placed after 2PM (EST), it will ship out the following business day.
Orders received on weekends after 2PM (EST) Friday through 2PM (EST) Monday will ship on Monday. Shipping will start counting Tuesday.
Two-Day Shipping (when available) - shipping days start being counted the day after the shipping carrier receives that package. For example, if they receive the package on Monday before the cutoff time it will be delivered on Wednesday. (Day 1 is Tuesday / Day 2 is Wednesday – does not include the order date). TWO BUSINESS DAYS *Does not include weekends or holidays.
Unfortunately, once your order leaves our facility, we are unable to control delays or errors by the shipping carrier.
Returns will be the cost of the item purchased, MINUS any shipping costs that we incurred shipping to you, or any return shipping costs. All returns must be in unused, undamaged, and unaltered condition. If you have any questions regarding your return, please contact us.