-26%
Click to zoom in
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
Fabrication
Shop Fabrication Parts and Materials at Black Ops Auto Works for stainless steel tubing, titanium tubing, aluminum charge piping, mandrel bends, V-band clamps, flanges, merge collectors, AN fittings, PTFE hose kits, braided fuel and oil lines, heat shields, welding supplies, brackets, bungs, and hardware for building custom exhaust systems, turbo plumbing, intercooler piping, and fuel system routing. Start with tubing in stainless, titanium, or aluminum in the right diameter and wall thickness, then add mandrel bends, flanges, V-bands, and clamps to complete the joint work. Black Ops Auto Works carries 5,866 fabrication SKUs from Vibrant Performance, Ticon Industries, Stainless Bros, Radium Engineering, Fragola, DEI, and ATP Turbo. Why Custom Fabrication Custom fabrication solves fitment problems that no universal or pre-bent kit can address. Raw tubing, flanges, and fittings give the fabricator freedom to route exhaust around a turbo, snake charge pipe around accessories, hard-...
View Fabrication Products
O-Rings
O-Rings parts and accessories are stocked at Black Ops Auto Works. Shop AN fitting O-rings, fuel filter body seals, fuel rail and injector O-rings, regulator rebuild kits, engine service O-rings, clamp seals, and replacement packs for fuel-system, plumbing, nitrous, oil, and cooling projects. Every product is filterable by year, make, model, trim, engine, and drivetrain where application data is available. Black Ops Auto Works carries 57 O-ring SKUs across AN plumbing, fuel systems, engine service, regulator rebuilding, and specialty sealing. What Automotive O-Rings Cover O-rings provide a compact seal in fuel fittings, filters, injectors, regulators, engine assemblies, and fluid plumbing. The material, size, groove, and fluid exposure determine whether a seal will perform reliably. AN Fitting O-Rings Port-style and O-ring-seal AN fittings use a specific O-ring size and material. Confirm the fitting size, thread style, and sealing method before ordering replacements. Fuel System...
View O-Rings Products
Vibrant
Vibrant Performance parts for custom exhaust, turbo builds, and fabrication projects are stocked at Black Ops Auto Works. Shop clamps, V-band flanges, mandrel bends, silicone couplers, wideband bungs, catalytic converters, resonators, tips, mufflers, oil catch cans, AN fittings, hoses, wastegate flanges, and fuel system fittings for street, race, drift, and off-road builds. Every product is filterable by size, material, and fitting type so the correct part ships the first time. Black Ops Auto Works carries 3,096 Vibrant Performance SKUs across exhaust fabrication, forced induction plumbing, and fuel system hardware. What This Brand Covers Vibrant Performance manufactures exhaust and fabrication parts for DIY custom exhaust, turbo builds, and general fabrication work. The catalog spans stainless mandrel bends and V-band flanges for exhaust construction, silicone couplers and hump hoses for intercooler and intake plumbing, and AN fittings and PTFE hose for fuel and oil systems. Fa...
View Vibrant Products