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Catalytic Converter for 1990 Mercedes Benz 300SE

We have 16 Items In-stock.

Magnaflow 49-State Legal Semi-Universal Catalytic Converter

  • Not legal for use in California or in states adopting the California emissions standards
  • Semi-universal design – cut out your old catalytic converter and weld in the new one
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These 49-State Legal semi-universal catalytic converters have a catalyst specifically designed for your vehicle – just cut out your old catalytic converter and weld in the new one.  Engineered to cut emissions and improve performance.

Magnaflow 49-State Semi-Universal Rear Catalytic Converter - Traditional Converter, Semi-Universal

$99.49 $128.76 You Save $29.27 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M6694007
  • Location: Rear
  • Series: Magnaflow 49-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 12 in. body length, 6.5 in. width, 4 in. thick, 16 in. overall length
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
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Fits the following 1990 Mercedes Benz 300SE Submodels

  • 6 Cyl 3.0L | Base
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Customer Review: (see review/s)
  • Product is satisfactory. We were satisfied with the product.

    posted by: sjt on June 8, 2008

  • view all 2 reviews

Magnaflow 49-State Semi-Universal Catalytic Converter - Traditional Converter, Semi-Universal

$103.59 $134.06 You Save $30.47 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M6694037
  • Series: Magnaflow 49-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 12 in. L x 7 in. W, 16 in. overall length
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 1990 Mercedes Benz 300SE Submodels

  • 6 Cyl 3.0L | Base
See more

Magnaflow 49-State Semi-Universal Front, Driver Or Passenger Side Catalytic Converter - Traditional Converter, Semi-Universal

$79.86 $103.35 You Save $23.49 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M6650004
  • Location: Front, Driver Or Passenger Side
  • Series: Magnaflow 49-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 3 in. L x 3 in. W, 8 in. overall length
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 1990 Mercedes Benz 300SE Submodels

  • 6 Cyl 3.0L | Base
See more
Customer Review: (see review/s)
  • very good and cheap great for small tight spots i put it after my first o2 senor because i put a aftermart headers on and the cat was not on the headers so i had about 6" to work with this cat was perfect i had to cut 1" off each side to fit universal and it doses the job great buy

    posted by: ais on October 8, 2008

Magnaflow California Legal Semi-Universal Catalytic Converter

  • 50-State/California Legal
  • Semi-universal design – cut out your old catalytic converter and weld in the new one
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These semi-universal 50-State Legal catalytic converters have a catalyst specifically designed for your vehicle – just cut out your old catalytic converter and weld in the new one.  Engineered to cut emissions and improve performance.

Magnaflow 50-State Semi-Universal Front Catalytic Converter - Traditional Converter, Semi-Universal

$127.15 $164.55 You Save $37.40 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M66337303
  • Location: Front
  • Series: Magnaflow 50-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • E O Number: D-193-102
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 8 in. Overall Length
  • Notes: Inlet/Outlet Size : 1.75in. I.D.
  • Warranty: Magnaflow 5 year / 50,000 Mile Warranty
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Fits the following 1990 Mercedes Benz 300SE Submodels

  • 6 Cyl 3.0L | Base
See more

Magnaflow 50-State Semi-Universal Front Catalytic Converter - Traditional Converter, Semi-Universal

$127.15 $164.55 You Save $37.40 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M66337304
  • Location: Front
  • Series: Magnaflow 50-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • E O Number: D-193-102
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 8 in. Overall Length
  • Notes: Inlet/Outlet Size : 2in. I.D.
  • Warranty: Magnaflow 5 year / 50,000 Mile Warranty
See more

Fits the following 1990 Mercedes Benz 300SE Submodels

  • 6 Cyl 3.0L | Base
See more

Magnaflow 50-State Semi-Universal Front Catalytic Converter - Traditional Converter, Semi-Universal

$127.15 $164.55 You Save $37.40 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M66337305
  • Location: Front
  • Series: Magnaflow 50-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • E O Number: D-193-102
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 8 in. Overall Length
  • Notes: Inlet/Outlet Size : 2.25in. I.D.
  • Warranty: Magnaflow 5 year / 50,000 Mile Warranty
See more

Fits the following 1990 Mercedes Benz 300SE Submodels

  • 6 Cyl 3.0L | Base
See more

Magnaflow 48-State Legal Direct Fit Catalytic Converters

  • Not legal for use in California or New York
  • Easy bolt-on Installation with no cutting, welding or bending required
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These 48-State Legal direct-fit catalytic converters are specifically designed to fit your vehicle with a no-hassle installation – no cutting, welding, or bending required.  Engineered to cut emissions and improve performance.

Magnaflow 49-State Direct Fit Catalytic Converter - Traditional Converter, Direct Fit

$648.31 $838.99 You Save $190.68 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M6623837
  • Series: Magnaflow 49-State Direct Fit
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 1990 Mercedes Benz 300SE Submodels

  • 6 Cyl 3.0L | Base
See more

Eastern - Universal Catalytic Converters (48-State Legal - No CA, No NY)

EASTERN - UNIVERSAL CATALYTIC CONVERTERS (48-STATE LEGAL - NO CA, NO NY)

Eastern's universal catalytic converters are durably designed and powered with NANO technology for highly efficient, long-lasting function. Since 1976, Eastern Catalytic has specialized in engineering world-class catalytic converters for the automotive aftermarket.

  • NANO technology delivers better converter efficiency
  • Brings optimum engine performance
  • Complete range of outlet and inlet diameters
  • Non-directional for ease of installation
Note:
  • 48-state legal - not for sale or use in California or New York; cannot be shipped to California or New York addresses.

Eastern Standard Catalytic Converter - Traditional Converter, Semi-Universal

Best Seller
$76.21 $89.93 You Save $13.72 (15%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: EAST70534
  • Series: Eastern Standard
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Aluminized Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 7.25 x 4.25 x 13 in., 17 in. overall length
  • Warranty: 5-year or 50,000-mile Eastern limited warranty
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Fits the following 1990 Mercedes Benz 300SE Submodels

  • 6 Cyl 3.0L | Base
See more

Eastern - OE Replacement Catalytic Converters (48-State Legal - No CA, No NY)

EASTERN - OE REPLACEMENT CATALYTIC CONVERTERS (48-STATE LEGAL - NO CA, NO NY)

Eastern's OE replacement catalytic converters are equipped with advanced design elements and NANO technology for maximum performance. Since 1976, Eastern Catalytic has specialized in engineering world-class catalytic converters for the automotive aftermarket.

  • NANO technology provides greater converter efficiency
  • Designed with advanced materials and OE-style flex assemblies and flanges
  • Facilitates optimal engine performance
  • Full range of outlet and inlet diameters
Note:
  • 48-state legal - not for sale or use in New York or California; cannot be shipped to New York or California addresses.

Eastern Standard Catalytic Converter - Traditional Converter, Direct Fit

$337.98 $398.82 You Save $60.84 (15%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: EAST40181
  • Series: Eastern Standard
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Aluminized Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 88 in. overall length
  • Warranty: 5-year or 50,000-mile Eastern limited warranty
See more

Fits the following 1990 Mercedes Benz 300SE Submodels

  • 6 Cyl 3.0L | Base
See more

More results for 1990 Mercedes Benz 300SE Catalytic Converter

  • Benchmark - OE Replacement Catalytic Converters (48-State Legal - No CA, No NY)

    BENCHMARK - OE REPLACEMENT CATALYTIC CONVERTERS (48-STATE LEGAL - NO CA, NO NY)

    Benchmark's OE replacement catalytic converters set the industry standard in terms of fitment and durability. Their... (see more)

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