Free shipping on most parts

Not sure it fits? Text us a photo and we'll confirm before you buy.

Most orders ship the same day

  • Same-day shipping on most orders

  • Fitment help: text a photo to 404-532-9833

  • Hassle-free returns

  • Wholesale accounts and dealer pricing

United Express Distribution  |  SKU: ENGN-0700

Engine Oil Seal Sight Glass for 4-Stroke 110cc-250cc Engines

Regular price $9.97


Pickup available at 2875 N Berkeley Lake Rd NW #4

Usually ready in 1 hour

Will it fit your machine?

Not sure? Text or email a photo of your old part or your engine model number. We'll confirm it fits before you buy.

Delivery and Shipping

Ships from our Duluth, Georgia warehouse.

Most in-stock orders ship the same business day. UPS orders placed before 3:00 PM ET, USPS orders before 12:00 PM ET. After the cutoff, they go out the next business day.

Standard delivery runs 2 to 6 business days to most US addresses. US territories take 7 to 14. These are carrier estimates, not guarantees.

Free shipping on most parts, no minimum order. Oversized items (body kits, wheels, tires, batteries, and engines) are quoted to your address and shown at checkout before you pay.

We ship UPS and USPS, and email your tracking number as soon as the order leaves.

Questions? Call or text 404-532-9833. Full details on our Shipping page.

Description

The RedCap Engine Oil Seal Sight Glass is a reliable replacement part designed for 4-stroke engines, compatible with Apollo, Kazuma, SunL, and Redcat models. Engineered for 50cc to 250cc dirt bikes, ATVs, scooters, mopeds, and go-karts, this oil sight glass provides a practical solution for monitoring engine oil levels effortlessly. Its accurate design features a durable glass lens encased between a metal rim and high-quality seal, ensuring an airtight fit to prevent leaks and maintain optimal engine performance.

With an overall diameter of approximately 25.2mm and a seal ID of 16.65mm, this sight glass fits seamlessly into most 4-stroke engine models. The metal surround is designed with a mirror effect, offering enhanced visibility for accurate oil level checks. Whether you're replacing worn-out components or upgrading for better efficiency, the RedCap Engine Oil Seal Sight Glass delivers durability, compatibility, and performance for a wide range of vehicles, including dirt bikes, ATVs, and scooters.
  • Wide Compatibility: This sight glass seal is versatile and compatible with a wide range of vehicles, including ATVs, dirt bikes, mopeds, scooters, and Go-Karts. Whether you own an Apollo, Kazuma, or SunL model, this replacement part is the perfect fit for maintaining engine health.
  • Replacement for 4-stroke Engines: The RedCap Engine Oil Seal Sight Glass is a high-quality replacement for a wide range of 4-stroke engines. It fits 50cc to 250cc dirt bikes, ATVs, scooters, mopeds, and Go-Karts, including popular models like Apollo, Kazuma, SunL, and Redcat, providing enhanced performance.
  • Enhanced Oil Level: The glass lens is positioned between the seal and the metal, providing a clear view of your engine's oil levels. This design simplifies routine checks and ensures that your engine is always properly lubricated, contributing to its longevity and reliability on different terrains.
  • Accurate Dimensions: With an overall diameter of approximately 25.2mm and a seal inner diameter of 16.65mm, this sight glass is accurate-engineered to deliver a snug fit. It’s ideal for 110cc, 125cc, 150cc, and 250cc 4-stroke engines, providing leak-free performance and consistent oil monitoring.
  • Durable Construction: Designed with durability in mind, this sight glass features a robust seal, a clear glass lens, and a metal backing for maximum strength. The metal backing provides a mirror-like effect, making it easier to monitor oil levels during regular maintenance, ensuring your engine remains in peak condition.
Details:
  • Overall diameter: 25.2mm [.99"] approx.
  • Seal ID: 16.65mm [.65"]
  • Glass located between seal and metal
  • Metal gives a mirror effect for easier oil checking
Known to Fit:
  • Compatible with 110cc-125cc 4 stroke
  • Known to fit Apollo Kazuma, SunL, Redcat, ATVs, scooters, mopeds, dirt bikes and more!

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.