
MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 51845
MagnaFlow 51845 is a direct-fit, OEM-grade catalytic converter designed for EPA compliance. It offers reliable performance and easy installation for a range of vehicles.
🔥 Spring SALE Offer Ends In:
Save 15% on RV, Marine & Auto-Truck (apply coupon bellow)

Delivery & Returns
At MY-IVVI eParts & Gear, your satisfaction is guaranteed.
We’re a proud Canadian retailer offering reliable shipping and easy returns across Canada.
Shipping Policy
- 📦 Free Shipping on orders over $199 (Canada-wide).
- 🚚 Standard delivery: 2–7 business days depending on your province.
- 🏬 Local pickup available for select items (contact us to confirm).
Returns Policy
- ↩️ 30-Day Hassle-Free Returns on all eligible products.
- 🔄 Items must be unused, in original packaging, with proof of purchase.
- 💳 Refunds processed via your original payment method (Stripe or PayPal).
Need Help?
Contact our support team at [email protected] or call 1-800-659-2720.
Fitment & Size Guide
Find the right fit for your vehicle or setup before ordering. MY-IVVI eParts helps ensure your part or accessory matches your model perfectly.
How to Check Compatibility:
- ✅ Select your Year, Make, and Model using the fitment filter on the product page.
- 🔍 Review the manufacturer’s compatibility chart in the product description (if available).
- 📏 For roof racks, mounts, and towing equipment, confirm measurements and bolt patterns listed in specifications.
Need Help?
Contact our team at [email protected] — we’ll verify fitment before you order.
MagnaFlow 51845: Overview and Key Features
What is the MagnaFlow 51845?
The MagnaFlow 51845 is a direct-fit, OEM-grade catalytic converter designed to reduce harmful emissions from your vehicle, ensuring it complies with federal and EPA regulations. Catalytic converters are a critical component of a vehicle’s exhaust system, converting toxic pollutants into less harmful substances. The MagnaFlow 51845 is engineered to be a high-quality replacement, offering the same performance and reliability as the original equipment while meeting or exceeding EPA standards.
Key Benefits of Choosing MagnaFlow 51845
- EPA Compliance: The MagnaFlow 51845 is designed to meet or exceed Environmental Protection Agency (EPA) requirements, ensuring your vehicle passes emissions tests and operates in an environmentally responsible manner. Compliance with EPA regulations is essential for legal vehicle operation.
- Direct-Fit Design: The direct-fit design of the MagnaFlow 51845 means it’s engineered for easy, bolt-on installation. This design eliminates the need for cutting, welding, or modifications, making the installation process straightforward for both professional mechanics and DIY enthusiasts.
- OEM Grade Quality: MagnaFlow ensures the 51845 is manufactured to OEM (Original Equipment Manufacturer) standards. This means the converter is built with high-quality materials and construction, offering durability, performance, and a long lifespan comparable to the original factory-installed catalytic converter.
Compatibility and Vehicle Applications
Compatible Vehicles
The MagnaFlow 51845 catalytic converter is designed to fit a variety of vehicles. Please consult the table below for specific makes, models, and years. It is important to verify compatibility before purchase.
| Make | Model | Year | Engine |
|---|---|---|---|
| Buick | Rendezvous | 2002-2007 | 3.4L |
| Chevrolet | Venture | 2002-2003 | 3.4L |
| Pontiac | Aztek | 2001-2005 | 3.4L |
| Oldsmobile | Silhouette | 2002-2004 | 3.4L |
Confirming Fitment
To ensure the MagnaFlow 51845 fits your vehicle, it’s crucial to confirm compatibility. You can do this by:
- Checking your VIN: Use your vehicle’s Vehicle Identification Number (VIN) to verify compatibility. Most online retailers and MagnaFlow’s website offer VIN lookup tools.
- Consulting Vehicle Lookup Tools: Use the year, make, and model information to find the right part.
- Referencing the MagnaFlow Catalog: Consult the MagnaFlow catalog or website for detailed fitment information.
Installation and Technical Specifications
Installation Process
Installing the MagnaFlow 51845 is designed to be a straightforward process. Here’s a simplified guide:
- Step 1: Safety Precautions: Ensure the vehicle is parked on a level surface, the engine is cool, and the parking brake is engaged. Wear safety glasses and gloves. Disconnect the negative battery cable.
- Step 2: Old Converter Removal: Locate the old catalytic converter. Unbolt the converter from the exhaust pipes. You may need penetrating oil to loosen corroded bolts. Support the exhaust system properly before removing the old converter.
- Step 3: New Converter Installation: Position the MagnaFlow 51845 in place of the old converter. Bolt it to the exhaust pipes, ensuring a tight seal. Torque the bolts to the manufacturer’s specifications.
- Step 4: Final Check: Reconnect the negative battery cable. Start the engine and check for exhaust leaks. If any leaks are detected, tighten the connections or replace the gaskets as needed.
If you are not comfortable with this process, consult a professional mechanic.
Technical Specifications
- Inlet Diameter: 2.5 inches
- Outlet Diameter: 2.5 inches
- Overall Length: 20 inches
- Body Material: Stainless Steel
- Substrate: Ceramic
Why Choose MagnaFlow?
MagnaFlow’s Commitment to Quality
MagnaFlow has built a strong reputation for producing high-quality, performance-driven exhaust systems and catalytic converters. They are committed to providing products that meet or exceed industry standards. MagnaFlow’s manufacturing processes include rigorous quality control checks to ensure that their products perform as expected and last for years to come. MagnaFlow exhaust products are known for their durability and their contribution to reducing emissions.
Performance and Emissions
The MagnaFlow 51845 is designed to improve vehicle performance by allowing for better exhaust flow. This can lead to improved engine efficiency and power output. Moreover, the converter is engineered to reduce harmful emissions, helping your vehicle pass emissions tests and contributing to a cleaner environment. MagnaFlow’s converters are designed with the latest technology to ensure they meet the stringent requirements of the EPA, providing both performance and environmental benefits.
Maintaining Your MagnaFlow 51845
Care and Maintenance Tips
To extend the life of your MagnaFlow 51845 catalytic converter, consider these tips:
- Avoid Using Lead-Based Fuel: Lead-based fuel can damage the catalytic converter.
- Address Engine Issues Promptly: A misfiring engine can cause the converter to overheat and fail.
- Regular Inspection: Have your exhaust system inspected regularly for leaks or damage.
- Follow Maintenance Schedules: Adhere to the vehicle’s recommended maintenance schedule.
Where to Buy MagnaFlow 51845
Authorized Dealers
The MagnaFlow 51845 is available through a network of authorized dealers, both online and in local auto parts stores. Purchasing from an authorized dealer ensures you receive a genuine product and can often provide warranty support. It is best to purchase directly from MagnaFlow or an authorized dealer to guarantee the authenticity of the product.
Pricing
Pricing for the MagnaFlow 51845 can vary depending on the vendor and any current promotions. Compare prices from different vendors to find the best deal. Be aware of extremely low prices, as these might indicate a counterfeit product. Consider shipping costs and warranty options when evaluating prices.
| Weight | 6.35 kg |
|---|---|
| Dimensions | 44.0000 × 10.0000 × 8.0000 cm |
Q & A
You Might Also Like
Sport Body Parts fo Shevrolet 2015-2017
$329.00- ✓ Warranty
- ✓ 30-Day Returns
- ✓ Secure Checkout
ORACLE Lighting 10ft ColorSHIFT RGB+W Rock Light Extension Cable
$8.46- ✓ Warranty
- ✓ 30-Day Returns
- ✓ Secure Checkout
2006-504 - 22AWG 4 Conductor RGB Installation Wire 100M (328ft) Spool
$127.46- ✓ Warranty
- ✓ 30-Day Returns
- ✓ Secure Checkout
2006-001 - 22AWG 4 Conductor RGB Installation Wire (Sold by the Foot)
$0.81- ✓ Warranty
- ✓ 30-Day Returns
- ✓ Secure Checkout
General Elektrik Indoor Air Filter (IAF-003)
- ✓ Warranty
- ✓ 30-Day Returns
- ✓ Secure Checkout
Product categories
Featured Products
-
Dometic 9200 Power Patio Awning – 10 Ft – Electric – Black Onyx $1,050.80
-
Winnerwell® Nomad View 1G S-sized Cook Camping Stove Package SKU 910111
$629.99Original price was: $629.99.$567.00Current price is: $567.00. -
Cargo Area Light
$215.82Original price was: $215.82.$194.24Current price is: $194.24. -
Lift Kit-Suspension
$1,594.22Original price was: $1,594.22.$1,275.38Current price is: $1,275.38.
Cart
Sign up for exclusive deals & part fitment tips
— Get 10% off your first order.

Free Delivery
Free Shipping over $299

secure payment
Credit-Debit & Installments

Easy returns
30 days FREE returns
Online Support
Expert Support & HelpLine
MY-IVVI eParts
Company
Our Network
Shop
download apps
Don't compromise on quality!
With 25 years of experience, get 50,000+ products from more than 950+ brands delivered to your door with the best price guarantee and the assurance of MY IVVI eParts










Reviews
There are no reviews yet