Nissan Datsun D21 Engine

Replacement Parts

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It's hard not to be impressed by the way your Nissan D21 was built to last. Big and built for anything, sometimes it needs a major repair like a replacement Nissan D21 engine to stay on top of everything you throw at it. Replacement engines from AutoZone correct cracked cylinders and other motor problems, restoring your Nissan's full power and torque.

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  • Part Number: 331C
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN # is required to ensure that the correct part is shipped. With Federal emission. SFI fuel system. Automatic Transmission applications Use OEM Bushing #12330-E3000. Block cast #KA24, T50, F40, F45 or none. Crank cast #86G. In-line head cast #40F. Narrow Intake Ports, Distributor in timing cover. Timing cover & Oil Pump Installed. 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: 326B
  • Notes: Long block
    "Special Order Only. Minimum 90 day delivery time." IMPORTANT: See Warranty Information Bulletin. The VIN #is required to ensure that the correct part is shipped. 4 Boss Motor Mount. Block Cast #V52. Left Head Cast #V52, 21V, 85E. Right Head Cast #V52, 21V, 85E. Short Crank Snout. Timing Gears Belt & Tensioner Installed. Availability may be limited. Please call SureFire to obtain accurate availability or build times before ordering 1-800-790-9094.
  • Part Number: 326C
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN #is required to ensure that the correct part is shipped. Built to 04/1987. 4 Boss Motor Mount. Block Cast #V52. Left Head Cast #V52, 21V, 85E. Right Head Cast #V52, 21V, 85E. Short Crank Snout, V Shape Oil Pump. Water Pump, Timing Gears Belt & tensioner Installed. 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: 336B
  • Notes: Long block
    "Special Order Only. Minimum 90 day delivery time." IMPORTANT: See Warranty Information Bulletin. The VIN #is required to ensure that the correct part is shipped. Built from 05/1987. Block cast #21V, 85E. Left head cast #V52, 21V, 85E. Right head cast #V52, 21V, 85E. 25mm outer diameter crank snout - 2 keys. Timing gears and tensioner installed. U Shaped oil pump. Availability may be limited. Please call SureFire to obtain accurate availability or build times before ordering 1-800-790-9094.
  • Part Number: 324B
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN #is required to ensure that the correct part is shipped. Block Cast #Z24, 10W. Crank Cast #30W. In-Line Head Cast #0W, 10W, W04. Left Rear Dipstick. Timing Cover, Oil Pump & Distributor Drive Installed. 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: 336E
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN #is required to ensure that the correct part is shipped. Bosch L-Jetronic fuel system. 25mm outer diameter crank snout - 2 Keys. Block cast #83G. Knock Sensor in Valley of Block. Left head cast #85E. Right head cast #85E. Timing gears belt & tensioner installed. U Shaped Oil Pump. 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: 331F
  • Notes: Long block
    IMPORTANT: See Warranty Information Bulletin. The VIN # is required to ensure that the correct part is shipped. SFI fuel system design. Block Cast # T50, F45, ka24 or none. Crank Cast # 86G. In-Line Head Cast # 72P. California Emissions 7/92 to 1/96. Wide Intake Ports, Dist in Timing Cover 80mm Across Mount. A/T Apps Use OEM Bushing # 12330-E3000.Timing Cover and Oil Pump Installed. 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".
  •  | Page 1 of 1 |  

When installing D21 replacement engines, remember to check out all the related systems, like the coolant and exhaust. Ensuring that the machinery that supports your engine and keeps it working is in top shape keeps your new motor working well for years to come. If you have questions about the job, rely on trustworthy advice provided by our helpful staff. You can even shop online with AutoZone and score extra savings with Free Shipping on all purchases of $75 or more.

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