Catalytic Converters for Sale in the USA — OEM & Premium Aftermarket | REVXSC
Catalytic Converters — USA Buyer's Guide
Catalytic Converters for Sale in the USA — OEM & Premium Aftermarket
Shop catalytic converters from the brands US mechanics actually trust — Magnaflow, Walker, ACDelco and more. Every listing carries verified year / make / model / engine fitment, ships from US fulfillment within 1 business day, and is backed by the manufacturer's standard warranty.
What we stock
REVXSC stocks catalytic converters from these tier-1 manufacturers:
- Magnaflow
- Walker
- ACDelco
- AP Exhaust
Typical US price range: $300–$2,500+ (depends heavily on metals + vehicle). Premium tiers carry longer warranties and last roughly 2× as long as economy units.
Common types & compounds
- direct-fit OE (easiest install)
- universal weld-in (cheapest)
- CARB-compliant (required in CA/NY)
When to replace your catalytic converters
Most catalytic converters need attention 10+ years or 120,000 miles typical. Watch for these warning signs:
- failed emissions test
- P0420 / P0430 code (catalyst efficiency below threshold)
- rotten-egg smell from exhaust
- reduced engine performance
- rattle from beneath the car
If you notice two or more of these symptoms, get the system inspected before it strands you or damages adjacent components.
How to pick the right catalytic converters
- Verify fitment by year, make, model and engine. Generic "fits most" listings are a red flag — always confirm the four-axis match.
- Match the brand tier to how long you'll keep the vehicle. Premium OE-spec for keepers; mid-tier for vehicles you'll sell within 3 years.
- Buy from a US fulfillment seller — shorter lead times, easier returns, no customs surprises.
- Confirm the warranty length before checkout. ACDelco, Bosch, Dorman and Dayco offer 12-month to lifetime warranties depending on the part.
In-stock catalytic converters — ships today
Hand-picked from the REVXSC catalog. Browse to confirm vehicle fitment.
Frequently asked questions
How long do catalytic converters typically last in a US-driven vehicle?
Most catalytic converters last 10+ years or 120,000 miles typical, but actual life depends on driving style, climate, vehicle weight, and the part's quality tier. Cheap economy parts can fail in half that time — premium Magnaflow or Walker parts often exceed it.
What are the warning signs of failing catalytic converters?
Watch for: failed emissions test, P0420 / P0430 code (catalyst efficiency below threshold), rotten-egg smell from exhaust, reduced engine performance. If you notice any of these, get the part inspected before it leaves you stranded.
Can I install catalytic converters myself?
Some catalytic converters are a basic DIY job (typically job complexity varies — alternators, starters, water pumps and balancers take 1–3 hours and require torque specs). If you are not comfortable with the install, any independent mechanic or chain shop can handle it. We can email the OE service manual procedure on request.
Do you sell OEM catalytic converters or aftermarket?
Both. We stock OEM (genuine original equipment) and tier-1 aftermarket from Magnaflow, Walker, ACDelco. Each listing specifies which type. OEM is the safest exact-fit choice; tier-1 aftermarket from the same brand that supplies the automaker often matches OE quality at a lower price.
What's the typical US price for catalytic converters?
$300–$2,500+ (depends heavily on metals + vehicle) for the part itself, depending on brand tier and vehicle. Installation at a chain shop typically adds $80–$250. Premium brands like Magnaflow carry the longest warranties.
Will the catalytic converters I order fit my exact vehicle?
Every listing shows the year / make / model / engine compatibility. If you're not sure, send us your VIN by WhatsApp or email and we'll verify the exact part number before you order — no extra charge.
Need help finding the exact part?
Send us your VIN — we'll match it for you.
Free fitment verification. No commitment. Typical reply in 2–4 hours during US business hours.