Mazda 6 Engine

Replacement Parts

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Your spacious, classy Mazda6 is an engaging and entertaining car to drive, thanks in part to its powerful engine. Once it starts experiencing serious issues, like overheating or leaking, shop for the best 6 engine replacements at AutoZone to keep your Mazda the charismatic ride it is.

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  • Part Number: DFFJ
  • Warranty: 3 years
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN # is required to ensure that the correct part is shipped. With California emission. With automatic transmission. 25 Tooth Crank Trigger. Timing Cover Cast #3M4G-CA. Block Cast #5L8G-AF. Cam Cast #6285+6T, 6284. Crank Cast #1L5G-BF. In-Line Head Cast #3S4G-AA, 3L8G-AC. PZEV engine. Call Surefire at 1-800-790-9094 for customer service, availability and technical assistance. "Expected delivery date does not account for the required special freight shipping. Most deliveries will arrive within 5-7 business days".
  • Part Number: DFEW
  • Warranty: 3 years
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN #is required to ensure that the correct part is shipped. Block Cast #XW4E-BA, 6E5E, 4F1E, 3W4E. Crank Cast #XW4E-AA, V44, V15. Left Head Cast #3M4E-6C064-CC/ CD/ CE. Right Head Cast #3M3E-609-CC/ CD/ CE. Cam Cast #3M4E - 3M4E. Variable Valve Timing. On Intake Cams. Timing Cover Cast #3M4E-6C068-BE/BF. Water Pump on Left Exhaust Cam End. Call Surefire at 1-800-790-9094 for customer service, availability and technical assistance. "Expected delivery date does not account for the required special freight shipping. Most deliveries will arrive within 5-7 business days".
  • Part Number: DFFM
  • Warranty: 3 years
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN #is required to ensure that the correct part is shipped. 35 tooth crank trigger. Aluminum valve covers- PLASTIC USE DFFN. Block cast #3M4G-AM. Cam Cast #6285/421+5T, 441/6284. Crank cast #3L5G-DA. In-line head cast #3S4G-A, 3L8G-AC. V.V.T. (Variable Valve timing), NON-PZEV. Call Surefire at 1-800-790-9094 for customer service, availability and technical assistance. "Expected delivery date does not account for the required special freight shipping. Most deliveries will arrive within 5-7 business days".
  • Part Number: DFFN
  • Warranty: 3 years
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN #is required to ensure that the correct part is shipped. Block cast #3M4G-AM. Cam Cast #6285/421+5T, 441/6284. Crank cast #3L5G-DA. In-line head cast #3S4G-A, 3L8G-AC. Plastic valve covers- Aluminum use DFFM. Timing cover: 3M4G-AA, Oil Pan Cast 33M4G-AG/AG. V.V.T. (Variable Valve timing). Call Surefire at 1-800-790-9094 for customer service, availability and technical assistance. "Expected delivery date does not account for the required special freight shipping. Most deliveries will arrive within 5-7 business days".
  • Part Number: DFFU
  • Warranty: 3 years
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN # is required to ensure that the correct part is shipped. With California emission. With manual transmission. 35 tooth crank trigger. Block cast #5L8G-AF. Cam Cast #421+5T, 6284/441. Crank cast #3L5G-DA. In-line head cast #3S4G-A, 3L8G-AC. Call Surefire at 1-800-790-9094 for customer service, availability and technical assistance. "Expected delivery date does not account for the required special freight shipping. Most deliveries will arrive within 5-7 business days".
  • Part Number: DFFW
  • Warranty: 3 years
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN #is required to ensure that the correct part is shipped. 30 Tooth Crank Trigger. Block cast #6M8G-AD. Cam Cast #6285+6T, 6284. Crank cast #3L5G-DA. In-line head cast #6M8G-AC. Timing cover Cover Cast #6M8G-AD. Variable Control timing on Intake Cam. Call Surefire at 1-800-790-9094 for customer service, availability and technical assistance. "Expected delivery date does not account for the required special freight shipping. Most deliveries will arrive within 5-7 business days".
  • Part Number: DFFU
  • Warranty: 3 years
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN # is required to ensure that the correct part is shipped. With Federal emission. 35 tooth crank trigger. Block cast #5L8G-AF. Cam Cast #421+5T, 6284/441. Crank cast #3L5G-DA. In-line head cast #3S4G-A, 3L8G-AC. Call Surefire at 1-800-790-9094 for customer service, availability and technical assistance. "Expected delivery date does not account for the required special freight shipping. Most deliveries will arrive within 5-7 business days".
  • Part Number: DFFR
  • Warranty: 3 years
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN# is required to ensure that the correct part is shipped. Block cast #T5251. Cam cast #I: 421 Long Tail - E: 441. Crank cast #3L5G-DA. In-Line head cast #L3K9. Chain driven cams. Triangle Lobe at Intake Cam Rear. Call Surefire at 1-800-790-9094 for customer service, availability and technical assistance. "Expected delivery date does not account for the required special freight shipping. Most deliveries will arrive within 5-7 business days".
  • Part Number: VFFR
  • Warranty: 3 years
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN# is required to ensure that the correct part is shipped. Exclusive 3 yr/unlimited mileage "No Fault" Warranty. Block Cast #T5251. Cam Cast #I: 421 Long Tail - E: 442. Chain Driven Cams, Oil Pan, Timing Cover & VVT Solenoid Installed. Crank Cast #3L5G-DA. In-Line Head Cast #L3K9. Triangle Lobe at Intake Cam Rear. Call Proformance at 1-800-790-9094 for customer service, availability and technical assistance. "Expected delivery date does not account for the required special freight shipping. Most deliveries will arrive within 5-7 business days".
  • Part Number: PM2304
  • Warranty: 3 years
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN# is required to ensure that the correct part is shipped. Premium Engine with oil pan & timing cover. Call Tri Star at 1-855-459-6671 for customer service, availability and technical assistance. "Expected delivery date does not account for the required special freight shipping. Most deliveries will arrive within 5-7 business days".
  • Part Number: PM2305F
  • Warranty: 3 years
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN #is required to ensure that the correct part is shipped. With Federal emission. Non PZVE. Premium Engine with oil pan and timing cover. Call Tri Star at 1-855-459-6671 for customer service, availability and technical assistance. "Expected delivery date does not account for the required special freight shipping. Most deliveries will arrive within 5-7 business days".
  • Part Number: PM3005
  • Warranty: 3 years
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN# is required to ensure that the correct part is shipped. Premium Engine with oil pan & timing cover. Call Tri Star at 1-855-459-6671 for customer service, availability and technical assistance. "Expected delivery date does not account for the required special freight shipping. Most deliveries will arrive within 5-7 business days".
  •  | Page 1 of 2 |  

Engines for Mazda6 unlock the energy in fuel by turning it into heat and kinetic energy that powers up your car. Some of the most common engine troubles include knocking sounds, steam coming from the hood, smoke coming out of the exhaust, overheating and oil leaks. If left unchecked, your engine risks splitting in half. Eliminate these hazards by getting a new Mazda 6 engine from AutoZone, where we provide the right products at the right prices. Ask our helpful staff for trustworthy advice that guarantees you get the optimal replacement for your Mazda6. You can even benefit from free battery charging and engine diagnostic testing during your next in-store visit.

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