612THG – surge brake actuator parts
Use the images and corresponding numbers to find the correct part numbers.
Click on the part number link to view the part on our online store.
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| Item | Part Number | Description |
| 1 | DEM-8759231 or DEM-8759241 | Demco DA91 Surge Actuator – Drum – Zinc Plated – Standard Outer Case – 4 Hole Channel Down (DEM-8759231) – 4 Hole Channel Up (DEM-8759241) |
| 2 | DEM-11076-95 or DEM-11077-97 | Inner Slide – 4 Hole Channel Down – Zinc Plated (DEM-11076-95) – 4 Hole Channel Up – Primer (DEM-11077-97) |
| 3 | DEM-10965 | Top Slide Channel |
| 4 | DEM-10966 | Bottom Slide Channel |
| 5 | DEM-10967 | Side Spacer Block |
| 6 | DEM-SB12426 | Damper Shock |
| 7 | DEM-05951 | Safety Lever |
| 8 | DEM-05977 | Push Rod Assembly |
| 9 | DEM-05679 | 0.125” Brake Orifice Fitting – 3/8” Thread – Full Flow (Shown on diagram and left photo – Removed from Actuator and threaded into 90° orifice) |
| 10 | DEM-03876 | Master Cylinder Cap |
| 11 | DEM-5650 | Master Cylinder Kit – Drum Brakes |
| 12 | DEM-05408 | Safety Cable – 42” Long |
| 13 | DEM-03866-95 | Lever Guide |
| 14 | DEM-05687 | Master Cylinder Boot |
| 15 | DEM-10737 | 90° Brake Orifice (Shown on left photo) |
| 16 | BLU-18018-MF | 18” Rubber Brake Hose – Male/Female – 3/16” Inverted Flare (Shown on both photos at each connection end) |
| 17 | BLU-25X15 | Rubber Brake Hose Bracket (Shown on right photo – Welded to frame) |
| 18 | BLU-1457 | Brake House Retainer Clip (Shown on right photo) |
| 19 | BLU-0347-002 | Brake Line Kit for Tandem Axle Trailer (Shown on right photo at connection point – Does not show entire kit) |
| 20 | DEM-05693-95 | Safety Latch |
| 21 | DEM-12557 | Fill Plate for Master Cylinder |
| 22 | BUY-816137 | Pintle Eye – 14,000 lb MGTW |
| 23 | BUY-B9020 | 5/8” X 4 1/2” Hitch Bolt Kit – For mounting coupler |
Part numbers without a link are not available on our online store. Please contact us at (410) 758-1333 for more information or to order any of these items.
Sunbelt Rentals: All part numbers should be listed in SmartEquip. Please inform us of any part numbers that may be missing.
