GRACO 189410 - Bolt, SST, M12 x 1.75 x 55

GRACO 189410 is a genuine OEM stainless-steel (SST) metric bolt used on select Graco equipment assemblies where an M12 fastener is specified. Built for reliable clamp load and corrosion resistance, it’s a correct-fit replacement when you need to restore the original hardware size and thread pitch without improvising.

Key Features

• Genuine GRACO replacement bolt (OEM fit and spec)
• Stainless steel (SST) construction for corrosion resistance
• Metric size for proper mating with OEM threaded components
• Ideal for maintenance, rebuilds, and replacing missing/damaged hardware

Compatible Equipment

• Fluid Section Parts (Matrix Column 3) - sections C, D, and P,R
• Model configurations 3, 4, C, D, P, R

Related Parts

• 115644 - Hex Washer Heavy Duty Machine Screw
• 112416 - Hex Washer Heavy Duty Machine Screw
• 112543 - Screw, Machine, Hex Washer Hd
• 114862 - Fhn Hex Nut, M10
• 115645 - Hex Washer Heavy Duty Machine Screw
• 104319 - O-RING; PTFE
• 115644 - SCREW; M10 x 1.25; 35 mm
• 115645 - SCREW; M10 x 1.50; 90 mm
• 112416 - SCREW; M10 x 1.25; 30 mm
• 112417 - SCREW; M10 x 1.50; 90 mm

Reference Manuals

• 308368 (Page 29) Husky 2150 Air-Operated Diaphragm Pumps
• 308441 (Page 29) Husky 1590 Air-Operated Diaphragm Pumps
• 311879 (Page 47) SaniForce Diaphragm Pumps
• 334457 (Page 11) BQG246/0.2 Mining Diaphragm Pump
• 3A8693 (Page 27) Aluminum Husky 2150 LP Air-Operated Diaphragm Pumps

Specifications

Notes

• Confirm your assembly calls for M12 x 1.75 x 55 before ordering (thread pitch and length must match).
• This listing is for the bolt only (no washers/nuts unless your manual specifies separate part numbers).