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Diaphragm Assy.​​ 630978

Part Number: 630978
TecumsehToroCraftsman
Availability: Ships in 7 - 12 business days
Price: $5.38
Leaves our warehouse within
7 - 12 business days
Product Information
Compatibility

This part is compatible with the following machines:

Toro
Tecumseh
1500-1506 2 Cycle Horizontal Engine
1500-1506A 2 Cycle Horizontal Engine
1500-1506B 2 Cycle Horizontal Engine
1500-1506C 2 Cycle Horizontal Engine
1500-1506D 2 Cycle Horizontal Engine
1500-1507 2 Cycle Horizontal Engine
1500-1507A 2 Cycle Horizontal Engine
1500-1508 2 Cycle Horizontal Engine
1500-1508A 2 Cycle Horizontal Engine
1500-1514 2 Cycle Horizontal Engine
1500-1514A 2 Cycle Horizontal Engine
1500-1525 2 Cycle Horizontal Engine
1500-1525A 2 Cycle Horizontal Engine
1500-1532 2 Cycle Horizontal Engine
1500-1534 2 Cycle Horizontal Engine
1500-1534A 2 Cycle Horizontal Engine
1500-1534B 2 Cycle Horizontal Engine
1500-1534C 2 Cycle Horizontal Engine
1500-1534D 2 Cycle Horizontal Engine
1500-1550A 2 Cycle Horizontal Engine
1500-1551 2 Cycle Horizontal Engine
1500-1551A 2 Cycle Horizontal Engine
1500-1553 2 Cycle Horizontal Engine
1500-1555 2 Cycle Horizontal Engine
1500-1556 2 Cycle Horizontal Engine
1500-1557 2 Cycle Horizontal Engine
1500-1558 2 Cycle Horizontal Engine
1500-1559 2 Cycle Horizontal Engine
1500-1560 2 Cycle Horizontal Engine
1500-1562 2 Cycle Horizontal Engine
1500-1562A 2 Cycle Horizontal Engine
1500-1563 2 Cycle Horizontal Engine
1500-1563A 2 Cycle Horizontal Engine
1500-1564 2 Cycle Horizontal Engine
1500-1565 2 Cycle Horizontal Engine
1500-1566 2 Cycle Horizontal Engine
1500-1567 2 Cycle Horizontal Engine
1500-1568 2 Cycle Horizontal Engine
1500-1569 2 Cycle Horizontal Engine
1500-1570 2 Cycle Horizontal Engine
1500-1571 2 Cycle Horizontal Engine
1500-1574 2 Cycle Horizontal Engine
1500-1574A 2 Cycle Horizontal Engine
1500-1574B 2 Cycle Horizontal Engine
1500-1576 2 Cycle Horizontal Engine
1500-1576A 2 Cycle Horizontal Engine
1500-1576B 2 Cycle Horizontal Engine
1500-1577 2 Cycle Horizontal Engine
1500-1579 2 Cycle Horizontal Engine
1500-1581 2 Cycle Horizontal Engine
1500-1581A 2 Cycle Horizontal Engine
1500-1582 2 Cycle Horizontal Engine
1500-1582A 2 Cycle Horizontal Engine
1500-1583 2 Cycle Horizontal Engine
1500-1583-A 2 Cycle Horizontal Engine
1500-1583-B 2 Cycle Horizontal Engine
1500-1584 2 Cycle Horizontal Engine
1500-1584-A 2 Cycle Horizontal Engine
1500-1585 2 Cycle Horizontal Engine
1500-1585-A 2 Cycle Horizontal Engine
1500-1585-B 2 Cycle Horizontal Engine
1500-1586 2 Cycle Horizontal Engine
1500-1586-A 2 Cycle Horizontal Engine
1500-1586-B 2 Cycle Horizontal Engine
1500-1586-C 2 Cycle Horizontal Engine
1500-1587 2 Cycle Horizontal Engine
1500-1587-A 2 Cycle Horizontal Engine
1500-1587-B 2 Cycle Horizontal Engine
1500-1587-C 2 Cycle Horizontal Engine
1500-1588 2 Cycle Horizontal Engine
1500-1588-A 2 Cycle Horizontal Engine
1500-1588-B 2 Cycle Horizontal Engine
1500-1589 2 Cycle Horizontal Engine
1500-1589-A 2 Cycle Horizontal Engine
1500-1589-B 2 Cycle Horizontal Engine
1500-1589-C 2 Cycle Horizontal Engine
1500-1590 2 Cycle Horizontal Engine
1500-1590-A 2 Cycle Horizontal Engine
1500-1591 2 Cycle Horizontal Engine
1500-1591-A 2 Cycle Horizontal Engine
1500-1592 2 Cycle Horizontal Engine
1500-1592-A 2 Cycle Horizontal Engine
1500-1593 2 Cycle Horizontal Engine
1500-1593-A 2 Cycle Horizontal Engine
1500-1594 2 Cycle Horizontal Engine
1500-1594-A 2 Cycle Horizontal Engine
1500-1596 2 Cycle Horizontal Engine
1500-1596-A 2 Cycle Horizontal Engine
1500-1597 2 Cycle Horizontal Engine
1500-1598 2 Cycle Horizontal Engine
1500-1599 2 Cycle Horizontal Engine
1500-1599-A 2 Cycle Horizontal Engine
AH520-1601 2 Cycle Horizontal Engine
AH520-1601A 2 Cycle Horizontal Engine
AH520-1601B 2 Cycle Horizontal Engine
AH520-1602 2 Cycle Horizontal Engine
AH520-1602A 2 Cycle Horizontal Engine
AH520-1602B 2 Cycle Horizontal Engine
AH520-1603 2 Cycle Horizontal Engine
AH520-1603A 2 Cycle Horizontal Engine
AH520-1603B 2 Cycle Horizontal Engine
AH520-1604 2 Cycle Horizontal Engine
AH520-1605 2 Cycle Horizontal Engine
AH520-1605A 2 Cycle Horizontal Engine
AH520-1606 2 Cycle Horizontal Engine
AH520-1606A 2 Cycle Horizontal Engine
AH520-1607 2 Cycle Horizontal Engine
AH520-1608 2 Cycle Horizontal Engine
AH520-1608A 2 Cycle Horizontal Engine
AH520-1609 2 Cycle Horizontal Engine
AH520-1609A 2 Cycle Horizontal Engine
AH520-1610 2 Cycle Horizontal Engine
AH520-1611 2 Cycle Horizontal Engine
AH520-1611A 2 Cycle Horizontal Engine
AH520-1612 2 Cycle Horizontal Engine
AH520-1612A 2 Cycle Horizontal Engine
AH520-1613 2 Cycle Horizontal Engine
AH520-1613A 2 Cycle Horizontal Engine
AH520-1614 2 Cycle Horizontal Engine
AH520-1615 2 Cycle Horizontal Engine
AH520-1615A 2 Cycle Horizontal Engine
AH520-1616 2 Cycle Horizontal Engine
AH520-1616A 2 Cycle Horizontal Engine
AH520-1617 2 Cycle Horizontal Engine
AH520-1618 2 Cycle Horizontal Engine
AH600-1601 2 Cycle Horizontal Engine
AH600-1601A 2 Cycle Horizontal Engine
AH600-1601B 2 Cycle Horizontal Engine
AH600-1602 2 Cycle Horizontal Engine
AH600-1602A 2 Cycle Horizontal Engine
AH600-1602B 2 Cycle Horizontal Engine
AH600-1603 2 Cycle Horizontal Engine
AH600-1603A 2 Cycle Horizontal Engine
AH600-1603B 2 Cycle Horizontal Engine
AH600-1604 2 Cycle Horizontal Engine
AH600-1605 2 Cycle Horizontal Engine
AH600-1605A 2 Cycle Horizontal Engine
AH600-1606 2 Cycle Horizontal Engine
AH600-1606A 2 Cycle Horizontal Engine
AH600-1607 2 Cycle Horizontal Engine
AH600-1608 2 Cycle Horizontal Engine
AH600-1608A 2 Cycle Horizontal Engine
AH600-1609 2 Cycle Horizontal Engine
AH600-1609A 2 Cycle Horizontal Engine
AH600-1610 2 Cycle Horizontal Engine
Expand the 150+ compatible machines
Products Compatibility

This item works with the following types of products:

  • • Lawn Mower

Questions & Answers for Diaphragm Assy.​


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Repair Instructions: Submitted by Customers Like You
Tool Type:
Engine
Parts Used:
Diaphragm Assy. - 630978
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
, Torx head screws
Carburetor flooding
1. Remove four screws holding the carburetor diaphragm plate
2. Remove the two fuel mixture adjustment screws
3. Scrap with a single edge razor blade the old gasket from the carburetor and diaphragm plate.
4. Blow out the fuel mixture ports with gum out and clean the carburetor fuel bowl with the same.
5. Assemble the new diaphragm, gasket and plate installing the four screws.
6. Install the metering needle screws with an initial 1 turn out for each
7. Start engine and adjust the metering screws.
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Tool Type:
Lawn Mower
Parts Used:
Diaphragm Assy. - 630978
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Pliers, Socket set, Wrench Set, Nutdriver, Adjustable Wrench
Engine had sat for several years would not start
1. Removed and disassembled carburetor
2. Cleaned spray carb cleaner
3. Used small wire to clear tiny holes
4. Removed and cleaned needle valves
5. Installed new diaphragm and reassembled
6. Installed new spark plug
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Reviews
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  • Finally found it!
    Company that made carb. Couldn't find part for it. Just wished parts could have been mailed.
    Guest - January 28, 2022 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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