SKU: 12547R | UPC: 690092135935
Vibrant Replacement O-Ring for 3.5in Weld Fittings (Part #12547)
This Vibrant Performance O-Ring provides a reliable seal for 3.5in weld fittings in custom charge and exhaust piping systems made from aluminum or stainless steel. It serves as a direct replacement for modular connections on performance vehicles with fabricated piping setups. The Viton construction handles extreme heat oil and fuel exposure in turbo intercooler and exhaust applications.
Key Features
- Viton Material: Fluorocarbon elastomer resists temperatures up to 400F chemicals oils and fuels for long-lasting performance in harsh environments
- Precise Dimensions: 3.500in inside diameter 3.740in outside diameter 0.125in thickness ensures leak-free fit on 3.5in weld fittings
- Modular Design: Works with Vibrant weld-on fittings as alternative to flanged clamped or slip connections for easier fabrication
- Universal Fabrication: Ideal for custom turbo exhaust intercooler piping on aluminum stainless builds
- Single Piece: Sold individually for targeted replacements in high-pressure charge or exhaust systems
Product Notes
- Inspect fittings for damage before installing new O-Ring
- Store in cool dry place to maintain material integrity
- Ships in protective packaging to prevent deformation
Installation Notes
- Professional installation recommended.
- Clean mating surfaces thoroughly and apply light silicone lubricant to O-Ring
- Compatible with Vibrant Performance 3.5in weld-on tube fittings part numbers like 12500 series
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Universal | Fabrication | 3.5in Weld Fittings |
Why Choose Vibrant Performance?
- Trusted by fabricators and racers worldwide for reliable connections
- Engineered for consistent quality in performance piping
- Precision manufacturing supports professional-level builds
Frequently Asked Questions
- Q: Does this O-Ring fit specific vehicles?
A: Designed as universal replacement for 3.5in weld fittings in custom charge piping exhaust systems on any aluminum or stainless performance setup - Q: What material is used and its temperature rating?
A: Made from Viton fluorocarbon rated to 400F continuous with resistance to oils fuels and automotive fluids - Q: Is there a warranty on this part?
A: Covered under Vibrant Performance limited manufacturer defect warranty contact seller for details
Shipping & Handling
- Method: USPS First Class or UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Small padded envelope 4in x 4in x 0.5in
- Weight: 0.05 lbs





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