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30% Off Online Orders of Select Hard Parts. Enter Promo Code MMJ30 in Cart.

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Receive Up To 30% Off Your Online Purchase Of Select Parts And Accessories
Use promotional code MMJ30 at checkout to receive 30% off the following categories: Select Brake Parts, Select Hi-Performance and Truck Accessories, Batteries, Paint, Splash Guards, Select Ventvisors & Bug Shields, Springs & Spacers, Water Pumps, Belts, A/C Parts, Starters, Alternators, Fuel Pumps, Radiators, Radiator Fans, Thermostats, Caps & Clamps, Clutches, Spark Plugs, Plug Wires, CV Axles, Battery Chargers & Booster Cables, OE Locks, Rack & Pinons, Window Motors, RainX Wipers, Appearance Chemicals, Floor Mats, Lift Equipment, Hand Tools, Travel Accessories, Car Covers, Seat Covers, Wheel Covers, Body Repair, Collectibles and Apparel.

Use promotional code MMJ20 at checkout to receive 20% off the following categories: Ignition, Shocks & Struts, Chassis, Jumpstarts, Air Filters, Oil Filters, Bearings & Seals, Engine Parts, Wash Accessories, Outdoor Lifestyle, Towing, Mini Air Compressors, Tire Repair Accessories, Mufflers, Grease/Oil, Additive Chemicals, P/S Pumps, Cooling Product, Timing Belts, Specialty Tools, Radiator Hose, Motor Mounts, Mirrors, Lug Nuts, Sealants/Adhesives, Fuel Filters, P/S Hoses, Gas Cans, Oil Change Accessories, Help, Wiper Motors, Loaner Tools, Air Compressors, Horns, Books, Distributors, Sun Control and Exhaust Adapters.

Use promotional code MMJ15 at checkout to receive 15% off the following categories: Test Equipment, Power Tools, Emergency Supplies, Electronics and Stereo & Accessories (MAP pricing Exclusions).

Offers not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included in these offers will be displayed in product search results and product detail pages. Excludes the following brands: WeatherTech, Champion, Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner, Philips and BBK Performance. Valid online until 11:59 PM EST on 11/22/17.

Receive 10% Off Wagner branded brake parts with your online purchase. Use promotional code: WAGNER10.

Receive 20% Off Select Champion branded products with your online purchase. Use promotional code: CHAMP20.

Receive 10% Off Select FelPro branded products with your online purchase. Use promotional code: FELPRO10.


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A/C System Gauges, Hoses & Tools

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$5.99
$3.90
Sale Price
  • Part #: GP10|
  • SKU: 8958415

Available today

Pay in Store Available

    • Measures level of R134a, R12 and R22 in all applications
    • Color coded pencil gauge calibrated for all types of AC systems
Sale Price
$5.99
$3.90
$6.99
  • Part #: DV134|
  • SKU: 9125346

Available today

Pay in Store Available

    • R134a can tap connects to any ACME threaded R134a can to yellow manifold gauge charging hose
    • 1/2" ACME threads
Retail
$6.99
$7.99
  • Part #: TH27|
  • SKU: 1191310

Available today

Pay in Store Available

    • Checks vent temperature to evaluate A/C performance
    • Magnified dial face
Retail
$7.99
$14.99
  • Part #: MB134A|
  • SKU: 8958084

Available today

Pay in Store Available

    • Fitting valve made from plastic
    • Dispensing valve made from plastic
Retail
$14.99
$22.99
  • Part #: GBM3CS|
  • SKU: 563303

Available today

Pay in Store Available

    • Trigger dispenser has built-in valve adn gauge so youc an attach can, measure, and fill in 3 simple steps
    • Press trigger to fill and release to measure
Retail
$22.99
$24.99
  • Part #: ACP400|
  • SKU: 803793

Available today

Pay in Store Available

    • Extra long, heavy-duty braided hose for safer, easier A/C recharging
    • Larger, easy-to-read gauge with rotating temperature dial
Retail
$24.99
$39.99
$26.80
Sale Price
  • Part #: AFK12|
  • SKU: 9743964

Available today

Pay in Store Available

    • Accurately measures pressure and charges all R134a AC systems by calculating ambient temperature and the AC system's low-side pressure.
    • Uses easy-to-read indicator lights and alarm to alert user of system condition and to advise the proper course of action
Sale Price
$39.99
$26.80
$59.99
  • Part #: MF5|
  • SKU: 9345843

Available today

Pay in Store Available

    • DIY R134a Manifold gauge and hose set used to check low and high side pressures and adding refrigerant
    • Includes 36" " hoses: blue low-side, red high-side, yellow charging hose
Retail
$59.99
$94.99
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  • Part #: 429|
  • SKU: 299840

Available today

Pay in Store Available

    • Professional R134a manifold gauge and hose set used to check both low and high side pressures while adding refrigerant
    • Kit features SAE approved 72" hoses (blue-low side; red-high side); 60" yellow charging hose
Retail
$94.99
$99.99
  • Part #: 6905|
  • SKU: 316372

Available today

Pay in Store Available

    • Two Stage Performance Using Twin-Port Technology
    • Lightning Fast Design Removes Moisture & Non-Condensable gases that can destroy any A/C or Refrigeration System
Retail
$99.99
$39.99
$29.90
Sale Price
  • Part #: GEZ1HD|
  • SKU: 563327

Available tomorrow after 12 p.m.


    • Measures level of refrigerant for accurate charging of R134a AC systems
    • Protects damage to AC compressor by avoiding over or under charging of AC system for maxiumum cooling
Sale Price
$39.99
$29.90
$59.99
$49.90
Sale Price
  • Part #: QC1HD|
  • SKU: 563310

Available tomorrow after 12 p.m.


    • Accurate measuring and charging of R-134a systems
    • Attaches to R-134a cans
Sale Price
$59.99
$49.90
$72.99
  • Part #: 6760SP60|
  • SKU: 840288

Available tomorrow after 12 p.m.


    • 60 inch Hoses and 90 degree Service Couplers in a convenient Blow-Molded Plastic Storage Case
    • Professional Quality with an Anti-Flutter Design and Additional Access Ports
Retail
$72.99
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