Replacement Parts

Narrow Your Results

Brand

 

AutoZone Rewards℠

Join Today and Earn a $20 Reward When You Make 5 Purchases of $20 or More!

AutoZone carries hundreds of thousands of parts and accessories.

Select your Year, Make, Model and Engine to find those that fit your vehicle.

Show of 566  Results
View:
  •  | Page 1 of 48 |  
  • Part Number: L-2206F30
  • Application: .030" oversize piston
  • Notes: Sold as a set
    Powerforged. VINTAGE. 1 ring(s) 1/16 groove. 2 ring(s) 1/8 groove. 1.584 compression distance. Flat Head. 0.8001" Pin diameter. DUROSHIELD skirt coated piston
  • Part Number: 525ACP40
  • Application: .040" oversize piston
  • Notes: Sold as a set
    Cast. 1 Ring(s) 3/16 Groove. 2 Ring(s) 5/64 Groove. 1.580 Compression Distance. 0.931" Pin diameter. Recessed Head .116 deep - 9.2:1 compression ratio. DUROSHIELD skirt coated piston
  • Part Number: 244NP40
  • Application: .040" oversize piston
  • Notes: Sold as a set
    Cast. 1 Ring(s) 3/16 Groove. 2 Ring(s) 5/64 Groove. 1.740 Compression Distance. 0.9011" Pin diameter. Flat Head - 8.2:1 compression ratio
  • Part Number: H519P20
  • Application: .020" oversize piston
  • Notes: Sold as a set
    Hypereutectic. 1 Ring(s) 3/16 Groove. 2 Ring(s) 5/64 Groove. 1.767 Compression Distance. 0.9751" Pin diameter. Will replace circular cup piston in complete sets. Recessed Head D shaped .300 deep - 8.5:1 compression ratio. Effective dome volume - 22cc
  • Part Number: WH471CP30
  • Application: .030" oversize piston
  • Notes: Sold individually
    1 Ring(s) 3/16 groove. 2 Ring(s) 5/64 groove. 0.276 Dish. Duroshield skirt coated piston. Hypereutectic. 0.9397 Pin diameter. 1.808 Compression distance. Cast piston
  • Part Number: 381NP60
  • Application: .060" oversize piston
  • Notes: Sold as a set
    Cast. VINTAGE. 1 ring(s) 3/16 groove. 3/32 groove. 5/64 groove. 1.660 compression distance. 0.9753" Pin diameter. Recessed head 0.097 deep x 2.620 diameter with 4 valve pockets
  • Part Number: H640DCP20
  • Application: .020" oversize piston
  • Notes: Sold individually
    Hypereutectic. 1 ring(s) 5/64 groove. 2 ring(s) 3/16 groove. 1.548 compression distance. Use with E-229K or E-229X ring set. Use with LR-63 lock ring for floated applications. 0.9275" Pin diameter. With machined valve reliefs and circlip grooves. Performance or regular duty operation. Recessed head 0.098 deep x 2.771 diameter with 4 valve reliefs. Superseded - When depleted use H640DCP 20. DUROSHIELD skirt coated piston
  • Part Number: 8KH423DCP30
  • Application: .030" oversize piston
  • Notes: Set with rings
    Hypereutectic. Cast piston. 1 ring(s) 3/16 groove. 2 ring(s) 5/64 groove. 1.548 compression distance. Use with LR-63 lock ring for floated applications. 0.9275" Pin diameter. Set with premium rings. With machined valve reliefs and circlip grooves. Recessed head 0.098" deep x 2.771" diameter with 4 valve reliefs. Superseded - When depleted use 8KH423DCP 30. DUROSHIELD skirt coated piston
  • Part Number: H815DCP20
  • Application: .020" oversize piston
  • Notes: Sold as a set
    Hypereutectic. 1 ring(s) 1.50mm groove. 2 ring(s) 3.00mm groove. Use with E-921K ring set. 0.9275" Pin diameter. With machined valve reliefs and circlip grooves. Use with LR-63 lock ring for floated applications. Recessed head 0.098" deep x 2.771 diameter with 4 valve reliefs. DUROSHIELD skirt coated piston
  • Part Number: 409P40
  • Application: .040" oversize piston
  • Notes: Sold as a set
    Cast. VINTAGE. 1 Ring(s) 3/16 Groove. 2 Ring(s) 5/64 Groove. 1.581 Compression Distance. 0.931" Pin diameter. 8.0:1 compression ratio. Recessed Head .108 deep x 3.125 diameter
  • Part Number: H491P
  • Application: Built from 08/1982
    Standard size piston (0.00 mm)
  • Notes: Sold as a set
    0.9122" pin diameter. 1.577 compression distance. 1 ring(s) 2.00 mm. Groove. 2 ring(s) 4.76 mm. Groove. Flat head. With 2 valve reliefs. Hypereutectic
  • Part Number: 244NP60
  • Application: .060" oversize piston
  • Notes: Sold as a set
    Cast. 1 Ring(s) 3/16 Groove. 2 Ring(s) 5/64 Groove. 1.740 Compression Distance. 0.9011" Pin diameter. Flat Head - 8.2:1 compression ratio
  •  | Page 1 of 48 |  

Other Customers Also Viewed

HELP FOR YOUR VEHICLE

VIDEO LIBRARY

Video Library

Videos for car repairs, auto parts and products.
See Details

BUY WITH CONFIDENCE

ABOUT CORE PARTS

Buy online and return core parts to the store to be refunded the price.
Core Parts Policy

FREE SHIPPING

On Orders $75 or Greater
and free shipping to APO, FPO, DPO addresses.
Get More Details

RETURN ANYWHERE

Buy Online, Return
Anywhere
Get More Details

SAME-DAY STORE PICKUP

Save time by buying online and picking up items in store.
Learn More

Payment Methods:
 
label.common.footer.alt.autozoneLogo