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Due to Thanksgiving and the holiday rush, our current handling time is approximately 4–5 business days. We sincerely appreciate your patience and understanding. We truly appreciate your business and are thankful for another great year serving our customers. If you have any questions or concerns, please contact us—our team is working as hard as possible to ship all orders promptly.
Due to Thanksgiving and the holiday rush, our current handling time is approximately 4–5 business days. We sincerely appreciate your patience and understanding. We truly appreciate your business and are thankful for another great year serving our customers. If you have any questions or concerns, please contact us—our team is working as hard as possible to ship all orders promptly.

Honda TRX400EX/TRX400X/XR400R Metal Valve Cover Gasket OEM 12391‑KCY‑671 '99‑14

by BPRATV
Save 13% Save 13%
Original price $21.77
Original price $21.77 - Original price $21.77
Original price $21.77
Current price $18.88
$18.88 - $18.88
Current price $18.88

12391-KCY-671,VC03201,XG119,CRUGVKCY,C7826, C7825, 12251-KCY-671, 12191-KCY-671, 91302-356-000, 18291-MN5-650, 14523-KBB-901, 91301-200-000, 91306-MG3-000, 91301-679-003, 18291-MN5-650, 91303-397-000, H0401027S, H0401SP2027S, H0402027S, B0244020RC, R88X2B, EX691064AM, EC578020RC, R10X2V, 3231V, R011V, R127V, R132V, R219V, R45.5X2.5V, 12209-KL4-005, 71016-4

🔥 Honda TRX400EX/TRX400X/XR400R Steel Valve Cover Gasket – Replaces OEM 12391‑KCY‑671 🔥

🛠️ Product Overview

Upgrade your Honda 400cc's with this premium steel valve cover gasket. Designed to replace Honda OEM 12391‑KCY‑671, this gasket offers superior sealing and durability for high‑heat, high‑pressure, and racing environments.

✅ What’s Included

  • Steel valve cover gasket – direct OEM replacement
  • Made for Honda TRX400EX, TRX400X, XR400R – fits all compatible years
  • High-performance sealing – resists warping, cracking, and leaks

🚚 Model Fitment

• Honda TRX400EX (1999–2008)
• Honda TRX400X (2009, 2012–2014)
• Honda XR400R (1996–2004)

🔁 OEM Replacement

• Replaces Honda OEM Part #: 12391‑KCY‑671

🏆 Why You’ll Love It

  • Steel construction: withstands heat cycles without cracking or shrinking
  • Leakproof seal: ideal for rebuilds and high-compression or race builds
  • Easy install: bolt-in OEM fitment—no engine modifications required
  • Lifetime performance: won’t deteriorate like paper or fiber gaskets
  • Value-packed: OEM Quality at a better price, backed by BPRATV support

❓ Frequently Asked Questions

  • Q: Will this fit my 2004 TRX400EX? – Yes, fits 1999–2008 models.
  • Q: Can I use it in a race build? – Absolutely, built for performance engines.
  • Q: Is this better than OEM? – Yes, this steel gasket resists heat and pressure better than older non-steel factory OEM gaskets.
  • Q: Need additional parts? – No, just swap with your old gasket.

🌟 Why Buy from BPRATV?

BPRATV – The Best Parts. The Best Performance. The Best Price.
All parts are brand new, covered by manufacturer warranty, and supported by BPRATV.
BRAPPPPPPPPPP!

Upgrade to a steel valve cover gasket now—bolt-on, race-ready, leak-proof! 🏁

© BPRATV LLC

12391-KCY-671,VC03201,XG119,CRUGVKCY,C7826, C7825, 12251-KCY-671, 12191-KCY-671, 91302-356-000, 18291-MN5-650, 14523-KBB-901, 91301-200-000, 91306-MG3-000, 91301-679-003, 18291-MN5-650, 91303-397-000, H0401027S, H0401SP2027S, H0402027S, B0244020RC, R88X2B, EX691064AM, EC578020RC, R10X2V, 3231V, R011V, R127V, R132V, R219V, R45.5X2.5V, 12209-KL4-005, 71016-4

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