Description
Replacement for 1763-026 O-ring fits Benjamin Marauder .177, .22, .25
(Quantity of 8)
This is an exact replacement for Part Number 1763-026
- Valve body
- Gauge port
- Fill adapter
Product Details:
Exact replacement O-ring for Part 1763-026, sold here as an 8-piece pack. Designed to fit Benjamin Marauder .177, .22, and .25 calibers — compatible with both Gen1 and Gen2 rifles for valve body, gauge port, and fill adapter use.
Materials & Care:
- Material: Premium Buna-N (Nitrile) for reliable sealing, fuel/oil resistance, and long service life.
- Storage: Keep in a cool, dark place away from ozone and direct sunlight to prevent drying or deformation.
- Lubrication: Use a thin film of silicone-based lubricant on installation (do not use petroleum-based greases).
Installation Tips:
- Inspect mating surfaces for burrs or debris before fitting new O-rings.
- Stretch carefully — avoid sharp tools that can nick the O-ring.
- If replacing multiple seals, replace all related O-rings to ensure consistent sealing and pressure performance.
What’s Included:
- 8 × O-rings (exact 1763-026 replacement)
- Made in USA · Direct after-market replacement
Support & Warranty:
Backed by our satisfaction guarantee: contact us for fitment help or replacement if parts are defective. For best results, reference your rifle’s serial/gen information when contacting support.
Keep a spare pack in your kit — quick swaps in the field keep your Marauder performing strong.





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