The Excalibur 8516-II service drawing locates blower and motor components alongside its ignition board, burner and valve assembly. Keep the series II designation when matching parts because later 8516 versions do not use an identical list.
Use the illustration number to locate the original manufacturer part reference. Select a linked part number to view product details and availability. Check the furnace model, serial-number range and replacement notes before ordering.
Original part numbers for Excalibur 8516-II
| Reference | Manufacturer part number | Quantity | Part description |
|---|---|---|---|
| 1 | 33619 | 1 | BLOWER WHEEL 85II,16 |
| 2 | 33580 | 1 | BLOWER HOUSING COVER |
| 3 | 33639 | 1 | BLOWER HOUSING ASSY |
| 5 | 33647 | 1 | BURNER BOX ASSY |
| 6 | 33842 | 1 | BURNER - NLA |
| 7 | 33165 | 1 | EXTENSION BOX KIT |
| 8 | 31028 | 1 | 5AMP CIRCUIT BREAKER |
| 9 | 33475 | 1 | REPLACEMENT VALVE COIL - DC USE 31000 |
| 9 | 31000 | 1 | COIL, WHITE ROGERS DC |
| 10 | 37107 | 1 | COMBUSTION WHEEL USE 33128 |
| 10 | 33128 | 1 | COMBUSTION AIR WHEEL |
| 11 | 36175 | 1 | CONTROL BOX ASSY |
| 12 | 33620 | 1 | INNER DOOR HINGE - 1PR |
| 13 | 33754 | 1 | DOOR ASSY, DELUXE, 02, COLONIAL WHITE |
| 13 | 33756 | 1 | DOOR ASSY, DELUXE, 04. POLAR WHITE |
| 13 | 33764 | 1 | EXCALIBUR DOOR, BEIGE |
| 13 | 34517 | 1 | EXCALIBUR DOOR, GREY |
| 14 | 33729 | 1 | SLIDE PLATE - NLA |
| 15 | 31030 | 1 | T-STAT - BEIGE USE 38452 |
| 15 | 38452 | 1 | T-STAT HEAT ONLY - BROWN |
| 15 | 38453 | 1 | THERMOSTAT HEAT ONLY- WHITE |
| 16 | 33586 | 1 | VALVE BRACKET |
| 17 | 33337 | 1 | WHITE ROGERS VALVE USE 38607 |
| 17 | 38607 | 1 | GAS VALVE USE 31155 |
| 17 | 31155 | 1 | KIT, VALVE STRAIGHT, 12VDC WHITE-RODGERS |
| 18 | 34514 | 1 | WIRING HARNESS ASSY |
| 19 | 38141 | 1 | DRAFT CAP |
| 20 | 36716 | 1 | IGNITION BOARD (DC) WAS SUPERCEEDED BY 38676 USE 31501 |
| 20 | 38676 | 1 | DSI BOARD WAS SUPERCEEDED USE 31501 |
| 20 | 31501 | 1 | ELECTRONIC IGNITION BOARD |
| 21 | 34541 | 1 | BRACKET DSI DC MOUNT |
| 22 | 31474 | 1 | DUCT ADAPTER 4 INCH |
| 23 | 31361 | 1 | DUCT COVER PLATE, 4 INCH |
| 24 | 36999 | 1 | DUAL SENSE ELECTRODE USE 33625 |
| 25 | 32172 | 1 | DSI ELECTRODE GASKET-DUAL SENSE |
| 26 | 34438 | 1 | FLEX ADAPTER PLATE |
| 27 | 33567 | 1 | GAS INLET PLUG |
| 28 | 35193 | 1 | HIGH TENSION LEAD USE 34571 |
| 28 | 34571 | 1 | KIT, LD2 HIGH TENSION LEADS |
| 29 | 33565 | 1 | INLET MANIFOLD |
| 30 | 32844 | 1 | BOTTOM PLENUM PLATE COVER |
| 31 | 33579 | 1 | INNER DOOR |
| 32 | 35132 | 1 | LIMIT SWITCH L130,85-11&89-1 |
| 33 | 37360 | 1 | MOTOR BRACKET |
| 34 | 33634 | 1 | MOTOR MOUNTING WALL |
| 35 | 32841 | 1 | MOTOR GASKET |
| 36 | 33219 | 1 | MOTOR USE 30131 |
| 37 | 31257 | 1 | BURNER ORIFICE #56 |
| 38 | 33847 | 1 | DOOR CATCH SCREW TYPE (2PK) |
| 39 | 33566 | 1 | OUTLET MANIFOLD |
| 40 | 31017 | 1 | KLIXON TIME DELAY RELAY |
| 41 | 37716 | 1 | SAIL SWITCH USE 36680 |
| 41 | 36680 | 1 | SAIL SWITCH USE 31377 |
| 41 | 31377 | 1 | SAIL SWITCH |
| 42 | 37960 | 1 | HEATING ELEMENT KIT |
| 43 | 32926 | 1 | GASKET, HEATING ELEMENT |
| 44 | 32173 | 1 | ELBOW-3/8X3/8 PFT |
| 45 | 33854 | 1 | RECESSED DOOR PANEL CW |
| 45 | 33856 | 1 | RECESSED DOOR PANEL PW |
| 45 | 33863 | 1 | RECESS PAN ASSY C/W - USED BY FLEETWOOD |
| 45 | 33864 | 1 | RECESS PAN ASSY BEIGE |
| 45 | 35065 | 1 | RECESS PAN ASSY GREY |
Replacement parts shown in the diagram
These catalog products match the manufacturer numbers linked in the reference table. Check the complete furnace model, serial range and original component before ordering. Current availability appears on each product page.
Ref 20 · MPN 31501
Atwood 31501 12V DSI Furnace Ignition Board With Fan Control
View product and availability
Ref 22 · MPN 31474
Atwood 31474 Aluminum 4-Inch RV Furnace Duct Collar
View product and availability