DH4 Caliper – Part No: 120-8476
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DH4 Dual Hydraulic
Prod #: 120-8476
Price: $111.21

DH4 Dual Hydraulic - Product Summary
Caliper No: 120-8476
DH4 Dual Hydraulic

Pistons
Piston Count 1
Piston Area (in²) 1.77
Piston Type Aluminum
Dust Boot Yes
Rotor Dimensions
Rotor Width (in) 0.19
Rotor Diameter(in) 9.00
Pad Dimensions
Pad Area (in²) 1.99
Pad Volume (in³) 0.33
Duty Rating & Material
Material Cast Aluminium
Weight(Lbs) 1.3
Colors & Finish
Color Clear
Finish Clear Anodize

Mounting
Mount Center(in) 3.38
Mount Position
Mount Side Universal
Mount Type Floating
UPC Number
UPC 889545006179
Product Documents
Product Data Sheet

Installation Instructions




WARNING: Cancer and Reproductive Harm
www.P65Warnings.ca.gov
Applicable to Brake Pads Only

120-8476 - Product Description

DH4 Dual Hydraulic

Wilwood’s DH4, Dual Hydraulic Calipers offers a step bore piston with a unique primary braking circuit and an additional isolated secondary hydraulic actuated parking brake. Primary piston bore is 1.50” inches, secondary is .94 “diameter and is further isolated with dual 10mm x 1.00 fluid inlets. Designed for rotors no larger 9.00” diameter and .19” width. DH4 caliper feature a floating, single piston design with 3.38” wide slide pin mounting. The DH4’s Low squeeze version use a modified seal design to maximize piston retraction in applications where low drag is paramount. Calipers are supplied without brackets. Additional steel brackets are available.


Vehicle Applications
Driving Environment Power Sports
Vehicle Sub-Types ATV, Snowmobile
Application Duty Medium Duty
Driving Environment Industrial
Vehicle Sub-Types
Application Duty Medium Duty

Product Specifications

Rotor Compatibility
Rotor Width (in) 0.19
Maximum Rotor Width (in) 0.19
Minimum Rotor Width (in) 0.19
Maximum Rotor Diameter(in) 9.00
Minimum Rotor Diameter(in) 9.00

Brake Pad Specifications
Brake Pad Type 1 4508
Brake Pad Type 2 N-A
Brake Pad Type 3 N-A
Total Pad Area (in²) 1.99
Total Pad Volume (in³) 0.33
Mount
Piston Specifications
Piston 1 Bore (in) 1.50
Piston 2 Bore (in)
Piston 3 Bore (in)
Total Piston Area (in²) 1.77

Mounting Specifications
Mount Type Floating
Mount Side Universal
Mount Center(in) 3.38
Mount Hole Size(in) 0.00
Mount Height(in) 0.03
Inlet Thread Size M10 x 1.00
Pad Dimensions & Part Numbers
Pad Dimensions for the DH4 Dual Hydraulic Pad Dimensions for the DH4 Dual Hydraulic Zoom Image
Axle Set P/N
Pad Type
Compound
Non-Bedded Pads - by Compounds
150-7192K
4508
CM - Composite Metallic
Mount Dimensions & Part Numbers

Dimensions for the DH4 Dual Hydraulic Dimensions for the DH4 Dual Hydraulic Zoom Image

Additional Notes


Parts & Accessories

O-Ring Kit 130-10536
Replacement Dust Boot N-A
Replacement Piston 1 200-7773
Replacement Piston 2 N-A
Replacement Piston 3 N-A
Replacement Piston 4 N-A
Cross-Over O-Ring Kit N-A
Bridge Bolt Kit N-A
Wear Plate L/H N-A
Wear Plate R/H N-A
Pad Retainer N-A
Bleed Screw Kit 220-4269
Self Bleeder Tube N-A
Cross-Over Tube N-A
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Version: 3.05 June 23, 2023