Best Automotive Replacement Emission Control Units Deals of Nov 2026

Updated November 10, 2026Our site contains affiliate links for which we may be compensated.
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Flex Pipe Replacement for Chrysler Aspin 2007-2009, 5.7L

Installation: Safely raise the vehicle using a jack and secure it with jack stands. Disconnect the battery, locate the old converter, apply penetrating oil to the bolts, remove the O2 sensors, unbolt and remove the old unit, and install the new one securely following the manufacturer's torque specs. Start the engine and check for leaks. If you’re unsure about the process, consult a mechanic to ensure proper and safe installation.
Reliable Fit & Function: Engineered for compatibility and consistent performance. Designed to integrate seamlessly into your vehicle’s exhaust system and help support optimal engine operation and reliability.
Maintenance & Usage Tips: Avoid fuel additives or contaminants that can damage internal components. Allow the engine to warm up properly before driving and prevent physical impact or debris from damaging the unit.
ATTENTION: This product is non-CARB compliant and cannot be shipped to California or New York. It is not legal for use in California and New York, and will not pass emissions tests in these states.
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Walker CalCat CARB 81372 Direct Fit Catalytic Converter for Mazda Miata

CARB COMPLIANT -- For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
SUPERIOR TECHNOLOGY -- Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
CONSISTENT PERFORMANCE -- Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
DURABLE -- Features stainless-steel body with aluminized pipe and heat shields for durability
FLEXIBLE SOLUTION -- Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
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Chrysler Genuine (4891729AA) Evaporative System I Detector | Leak Detection Monitoring, Emission Control Component, OEM Replacement Part, Factory-Engineered Specifications

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ACZCR 53794 Rear Catalytic Converter 2007–2012 For Nissan Versa L4 1.8L | Compatible with 2007-2012 For Nissan For Versa l4 1.8L,2009-2011 For Nissan For Versa l4 1.6L,(EPA Compliant)

Specification: ① E.P.A. Compliant: Yes;② Vehicle's Specifications: Federal;③ Restricted States: CA, NY, CO, ME;④ Position: Rear;⑤ Stuff: Stainless Steel;⑥ Inlet Type: 2 Bolt welded flange;⑦ Inlet Quantity: 1;⑧ Outlet Type: 2 Bolt welded flange;⑨ Outlet Quantity: 1;⑩ Bolts & Screw & Seal & Coil spring Included: Yes
Fitment：Catalytic Convertor Fit For Nissan For Versa l4 1.6L 2009-2011,For Nissan For Versa l4 1.8L 2007-2012
Simple installation design: Reference Number: 43198, 53794，642226.These Direct-Fit catalytic converters comply with rigorous OEM specifications.Removing the need for cutting or welding and drastically cutting installation time.(Pay attention to specific details,such as Engine Size,4WD,2WD,AWD,turbo/naturally aspirated engine,catalytic installation position and O2 sensor bung quantity)
Excellent Purification Efficiency: Precision welding delivers robust heat & pressure resistance for long-term durability.Built-in honeycomb porous core enlarges reaction space, thoroughly cleans engine discharges, reduces pollutant output and complies with emission regulations.
Key Notice: Catalytic converters that meet EPA standards are restricted from sale and installation in California and Colorado. Additionally, Maine and New York impose limitations on these units under specific circumstances. We recommend referencing your vehicle’s official Emission Control Information label and researching your state’s policies on replacement catalytic converters to purchase the correct compliant part for your automobile.
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$13 Savings

25860-62010 Toyota Vacuum Switching Valve Solenoid VSV Replacement | For 1992-2007 Toyota Camry Sienna Avalon Highlander Solora 92-06 Lexus ES RX 300 330 3.0 3.3L 911-612 EGR Vacuum Switch Valve

[WIDE VEHICLE COMPATIBILITY] Compatible with 1992-2006 Toyota Camry (3.0L 3.3L V6), 1995-2005 Avalon (3.0L), 1998-2006 Sienna (3.0L 3.3L), 1999-2006 Solara (3.0L 3.3L), 2001-2007 Highlander (3.0L 3.3L V6); Compatible with 1992-2003 Lexus ES300 (3.0L), 2004-2006 ES330 (3.3L), 1999-2003 RX300 (3.0L), 2004-2006 RX330 (3.3L V6). Note: Fits 3.0L & 3.3L V6 engines only; please verify your engine size before ordering.
[DIRECT OEM REPLACEMENT] Perfectly replaces factory part numbers 25860-62010, 2586062010. Interchangeable with aftermarket part numbers Dorman 911-612, 911612; Standard Motor Products VS147; BWD EGR3147; Wells PV617; APDTY 022723. Manufactured to exact original factory dimensions, port locations, and mounting specifications to ensure a hassle-free, direct drop-in fit.
[RESOLVE EVAP & PERFORMANCE FAULTS] A failing vacuum switching valve (VSV) can trigger the Check Engine Light with trouble codes P0446, P0441, or P0440, causing rough idling, engine stalling, poor fuel economy, and emission test failure. This replacement VSV solenoid valve restores normal vacuum pressure control and vapor canister purge function, ensuring smooth engine operation and reliable emissions compliance.
[PREMIUM QUALITY & PLUG-AND-PLAY] Built with high-grade, heat-resistant composite plastic and premium internal solenoid windings to resist extreme engine temperatures, vibration, and chemical corrosion for extended service life. Features factory-style 2-pin electrical connector and 2 vacuum ports for straightforward, true plug-and-play installation without cutting, splicing, or vehicle modification.
[PACKAGE INCLUDES & 1-YEAR WARRANTY] Includes 1 x 25860-62010 Vacuum Switching Valve Solenoid. We stand behind our product quality with a full 1-Year Warranty. Every unit undergoes strict quality control testing prior to shipment. If you have any compatibility questions or experience any performance issues, please reach out through Amazon buyer messaging for prompt replacement or technical support.
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Disclaimer: While we make every effort to ensure accuracy, we cannot guarantee that all product specifications, pricing, discounts, and details are complete or error-free. Because information is subject to change, we recommend verifying all details directly with the retailer prior to making a purchase. As an Amazon Associate, we earn from qualifying purchases.

10 Automotive Replacement Emission Control Units deals are available from: Amazon, starting from $13.70.

The biggest discount we found is 20% on GM Genuine Parts 214-1105 (12581282) Vapor Canister Purge Valve (214-1105) at Amazon.

The lowest price we found is $13.70 while the highest is $629.33. Prices for the best Automotive Replacement Emission Control Units deals average at $155.61.