SKU: 74165083854

Catalytic Converter for 1990-1993 INFINITI Q45 4.5L Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converte

Sale price$126.90 Regular price$141.00
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

Catalytic Converter for 1990-1993 INFINITI Q45 4.5L Standard Grade Federal / EPA Compliant Direct-Fit Catalytic ConverteOverview: MagnaFlow Standard Grade Federal EPA Compliant Direct Fit Catalytic Converter 23144 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state of the art 3D scanning systems

Overview:

MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23144 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed specifically for the 1990-1993 Infiniti Q45.

Note : Not For Sale in California

Interchange:
Brand  Interchange Part Number

Application:

Year Make Model Submodel Engine Size
1990 - 1993 Infiniti Q45 4.5L/V8

Specs:

Body Material Stainless Steel
Series Standard Grade
Subtitle Federal / EPA Compliant
Overall Length (In.) 37.75
Title Standard Grade Direct-Fit
Substrate Material Ceramic
Air Tube Adaptable No
Type Direct-Fit
Converter Quantity 1
Finish Stainless Steel
Oxygen Sensor Location Pre and Post Converter
Material Stainless Steel
Inlet Attachment Bolt-On
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 74165083854

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4.8 ★★★★★
Based on 17 reviews
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rpeters
Louisville, US
★★★★★ 5
Great for my hot rod!
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
Perfect oil for my hot rod! Add a bottle of zinc and you get great low temp flow as well as good heat protection. As a 0W it flows quickly for good start up protection and the 40W means I get good protection as temps rise. My car has a flat tappet hydraulic cam so I add a bottle of zinc. Has worked great!
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Reviewed in the United States on March 19, 2026
E
Verified Purchase
Evan C. Lombardi
Massapequa, US
★★★★★ 5
European oil… Japanese engine… zero regrets 🇪🇺➡️🇯🇵
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40, Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
Yes, I know what the label says. “European Car Formula.” Yes, I put it in a 2002 Subaru WRX bugeye with an EJ257 block and EJ205 heads. And yes—this oil absolutely slaps. This engine is not stock, not delicate, and definitely not living an easy life. It sees spirited driving, boost, and the occasional questionable decision. After switching to Mobil 1 0W-40, cold starts are smoother, oil pressure is rock solid, and the motor just feels happier. No weird noises, no drama, no oil consumption surprises. The viscosity is perfect for a performance Subaru build, especially if you’re running tighter tolerances or want strong protection under heat and load. It’s thick enough when hot, flows great when cold, and inspires confidence every time I turn the key. Is it technically “European”? Sure. Does my Subaru care? Not even a little. If you’re running a built engine, turbo setup, or just want a proven, high-quality oil that punches above its weight, this stuff earns its reputation. My bugeye may not be European, but it’s living its best life on this oil. Would absolutely buy again—passport not required.
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Reviewed in the United States on January 18, 2026
R
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Ruben
Dallas, US
★★★★★ 4
Great oil
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
No issues
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Reviewed in the United States on May 17, 2026
J
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Jose Perez
Carnegie, US
★★★★★ 5
they give what they offer
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
great service from seller it was exactly how much oil quantity i ordered and its great quality
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Reviewed in the United States on May 29, 2026
G
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Gregory Allen DeAtley
Belleville, US
★★★★★ 5
Works great
Number of Items: 4, Style: SILZKAR7B11
Exactly what it is supposed to be ! Good service
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Reviewed in the United States on May 6, 2026

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