Search  for anything...

OEM Gas Fuel Tank Vent Valve Grommet for Generac GP5500 GP6500 GP7500E RS8000E Generator Roll Over Valve Parts, 0J7921

  • Based on 13 reviews
Condition: New
Checking for the best price...
$12.99 Why this price?
Save $2.00 was $14.99

Buy Now, Pay Later


As low as $3 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Wednesday, Oct 21
Order within 38 minutes
Available payment plans shown during checkout

Protection Plan Protect Your Purchase
Checking for protection plans...

Features

  • Compatibility: OEM Roll over valve for Generac models 0059870 & 0059890.
  • Fitment: Gas fuel tank vent valve for Generac GP5500 GP6500 GP7500E GP8000E GP17500 RS8000E XT8000E XP6500E XP10000E Generator, for Sportsman 3500 4000 etc.
  • OEM Part # 0J7921. Vent hole for vent valve on fuel tank diameter: 1.2inch / 30.5mm, please check the item picture and size carefully before purchase.
  • Features: The roll over valve has been tested for good airtightness, low ventilation resistance, maintains long-lasting stable engine performance.
  • Made of high quality material: The surface of the vent valve is flat and free of cracks.

Description

Package Include: 1 x vent valve Vent hole for vent valve on tank diameter: 30.5mm/1.2inch For Generac Models 0059870 & 0059890 For Generator GP5500 GP6500 GP7500E GP8000E GP17500 RS8000E XT8000E XP6500E XP10000E For Sportsman 3500 4000 Replacement part: 0J7921 High quality products bring you riding pleasure! Are you still looking for reliable alternatives? KTUMININV is committed to providing you with high quality mini bike accessories. It's time to upgrade your mini bike performance!

Material: ‎Stainless Steel


Brand: KTUMININV


Exterior Finish: Painted


Inlet Connection Size: 1.2 inches


Inlet Connection Type: Threaded


Outlet Connection Type: Threaded


Number of Ports: 2


Outlet Connection Size: 1.2 inches


Number of Packs: 1


Unit Count: 1 Count


Brand Name: KTUMININV


Model Number: 0J7921


Number of Packs: 1


Unit Count: 1 Count


Manufacturer: KTUMININV


Manufacturer Warranty Description: 1


Number of Items: 1


Included Components: 1 x roll over valve


Number of Pieces: 1


Manufacturer Part Number: 0J7921


Exterior Finish: Painted


Inlet Connection Type: Threaded


Outlet Connection Type: Threaded


Number of Ports: 2


Thread Size: 1.2 inches


Valve Type: ‎Ball Valve


Inlet Connection Size: 1.2 inches


Outlet Connection Size: 1.2 inches


Size: 1.2 inches


Material Type: ‎Stainless Steel


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Oct 21

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • 100% perfect.
Perfect replacement.
Reviewed in the United States on January 10, 2026 by Amazon Customer

  • Fits just fine
Perfect fit. It’s a tight fit as it should be so I had to use a little dish soap to lube it up for installation.
Reviewed in the United States on November 13, 2025 by Larry D Barnett

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...