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Marine Parts Express created this customized parts list for the engine model you selected. All are genuine Volvo Penta parts and Volvo Penta of the Americas, Inc. warrants that new or factory exchange parts and accessories will be free from defects in material or workmanship for a period of one year. We have translated some of the hard-to-understand part names into easier names. You will however see the original Volvo Penta part name when you order. If there is an engine serial number in the notes box, it refers to the SN break. If the part number doesn't match what you see on your part, it may be that the part number has been superceded. Check with us if you have questions. Click on the part number to see our discounted price and how to order.


Volvo Penta MD21B

Part Number Description Retail Price Your Price Quantity Notes
818184 Connecting Rod Bearing $116.07 $111.43 1
818262 Crankshaft Thrust Washer $26.36 $25.31 1
876161 Piston Ring Set $188.69 $181.14 1
826781 Intake Valve $53.67 $51.52 1
826782 Exhaust Valve $124.40 $119.42 1
829285 Valve Cover Gasket $44.64 $42.85 1
3827069 Oil Filter $9.96 $9.56 1
875575 Impeller Kit $53.43 $51.29 1
831178 Sea Water Pump $610.13 $585.72 1
875383 Sea Water Pump Rebuild Kit $181.67 $174.40 1
875372 Circulating Pump Repair Kit $225.12 $216.12 1
826870 Circulating Pump $543.31 $521.58 1
838928 Zinc Holding Pipe Plug $15.86 $15.23 1 A
838929 Zinc Anode $11.17 $10.72 1 B
875785 Thermostat Kit $45.57 $43.75 1
831009 Sea Water Drive Coupling $13.18 $12.65 1 SN 1-3387+
831617 Sea Water Pump Piping Gasket Kit $10.58 $10.16 1
418412 Sea Water Pump Piping Gasket Kit $5.53 $5.31 1
829207 V-Belt $25.41 $24.39 1
818451 Fuel Pump $245.50 $235.68 1 C
818447 Fuel Pump $10.03 $9.63 1 B
858459 Fuel Pump $563.07 $540.55 1 A
957175 Fuel Injection Line Washers $0.54 $0.52 1
18811 Fuel Injection Line Washers $1.20 $1.15 1
957177 Fuel Injection Line Washers $0.83 $0.80 1
3581078 Fuel Filter $18.57 $17.83 1
818436 Hollow Screws - Fuel Line $78.43 $75.29 1
818435 Hollow Screws - Fuel Line $121.37 $116.52 1
873566 Fuse $61.60 $59.14 1
1324750 Oil Pressure Sender $31.69 $30.42 1
827151 Water Temperature Sender $75.50 $72.48 1 A
957181 Water Temperature Sender O-Ring $6.49 $6.23 1 B
1502028 Tachometer Sender $263.49 $252.95 1 A, SN 103387+
960169 Tachometer Sender O-Ring $3.54 $3.40 1 B, SN 103387+
876417 Cylinder Head Gasket Kit $561.99 $539.51 1
875387 Lower Engine Gasket Kit $276.80 $265.73 1
858282 Tool Kit $280.50 $269.28 1

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