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 Hydro-Max power brake boosters are operated by pressure from the power steering pump, these units come OE on almost all medium trucks since 1984. School buses, fleet vans, Power Brake Service also has a retrofit kit to fit pre 1984 medium trucks. These units are genuine new OE replacements. From Power Brake Service the three separate components are available for purchase separately. $425.00 | $720.00 |
$395.00 |  $425.00 |
 Hydro-Max Brake Booster w/ 1/2 Inch Threaded Rod (Bendix part # BX2772889) $475.00 |  Hydro-Max Brake Booster for GM w/ Round Pedal Rod End (Bendix part # BX2772890) $425.00 |
 Hydro-Max Brake Booster for GM w/ Flat Pedal Rod End (Bendix part # BX2772727) $475.00 |  Hydro-Max Brake Booster w/ Gold Clevis (Bendix BX2772819) $475.00 |
 Hydro-Max Booster Booster w/ Green Clevis $475.00 |  Hydro-Max Brake Booster w/ Black Clevis $425.00 |
 Hydro-Max Brake Booster for 2003 - 2009 Chevy / GMC C4500 C5500 C6500 C7500 $425.00 |  Hydro-Max Brake Booster for 1997-2002 Chevy GMC C6500 C7500 Kodiak T6500 T7500
PRODUCTION INCL SWITCH - US EQPD - CONVENTIONAL CAB - w/RPO: HYD BRKS(JE3) - CODE 2025 $425.00 |
 $1,208.00 |  $1,208.00 |
 $475.00 |  $1,208.00 |
 $425.00 |  $475.00 |
 $475.00 |  $475.00 |
 $1,208.00 |  $475.00 |
 $475.00 |  $475.00 |
 $475.00 |  $475.00 |
 1-3/4 Inch (1.75 inch 44.45 mm) Iron Master Cylinder for Hydro-Max Brake System
Master Cylinder Bore Diameter: 1.75 in
Master Cylinder Material: Cast Iron
Number of Outlets: 2
Rearward Outlet Size: 9/16-18
Secondary Outlet Thread Diameter: 1/2-20
Reservoir Included: Yes
1973-1987 Chevy GMC
C50
C5000
C60
C6000
C70
C7000
P40
P60
P4T042
P6T042 $325.00 |  1-3/4 Inch Master Cylinder for Hydro-Max Brake System, Short Reservoir and Brake Ports for Brass Manifold (1.75 inch 44.45 mm):
Master Cylinder Bore Size: 1.750 in.
Outlet Quantity: 3
Reservoir Included: Yes
Reservoir Material: Plastic
Bolt Holes: 4
1984 - 1985 Ford LN800
1984 - 1986 Ford C7000
1984 - 1987 Ford B7000
1984 - 1987 Ford F7000
1984 - 1987 Ford F8000
1984 - 1988 Ford L8000
1984 - 1988 Ford LN600
1984 - 1990 Ford C600
1984 - 1990 Ford C700
1984 - 1990 Ford C800
1984 - 1990 Ford C8000
1984 - 1991 Ford B600
1984 - 1991 Ford B700
1984 - 1994 Ford L800
1984 - 1994 Ford L9000
1984 - 1997 Ford LN7000
1984 - 1997 Ford LN8000
1984 - 1997 Ford LN9000
1984 - 1998 Ford F600
1984 - 1998 Ford F700
1984 - 1998 Ford LN700
1984 - 1999 Ford F800
1986 - 1998 Ford LN900
1987 - 1994 Ford L8000F $325.00 |
 1-3/4 Inch Master Cylinder for Hydro-Max Brake System, Short Reservoir (1.75 inch, 44.45 mm) (Early 80's Ford B Series and F Series)
Master Cylinder Bore Diameter: 1.75 in
Master Cylinder Material: Cast Iron
Number of Outlets: 2
Rearward Outlet Size: 3/4-18
Secondary Outlet Thread Diameter: 11/16-18
Reservoir Included: Yes
1980-1983 Ford
F600
F700
F800
F8000
B600
B700
FORD B SERIES BUS 1980-1982
FORD F-600 1980-1982
FORD F-700 1980-1982
FORD F-800 1980-1982 $325.00 |  1-3/4 Inch Master Cylinder for Hydro-Max Brake System, Short Reservoir (1.75 inch, 44.45 mm)
(Reservoir may appear different than pictured)
Master Cylinder Bore Diameter: 1-3/4 in
Master Cylinder Material: Cast Iron
Mounting Hole Quantity: 4
Number of Outlets: 2
Rearward Outlet Size: 9/16-18
Reservoir Included: Yes
Secondary Outlet Thread Diameter: 1/2-20
Sensor Included: No
1999-2000 Freightliner FC70
1999-2001 Freightliner Argosy
1998-2001 Chevy GMC Medium/Heavy Truck
B60
B6000
C50
P60
1984-1998 Ford
B600
B700
B7000
B800
C600
C700
C7000
C800
C8000
F600
F700
F800
F8000
LN7000
LN8000 $325.00 |
 1-3/4 Inch Master Cylinder for Hydro-Max Brake System, Short Reservoir (1.75 inch, 44.45 mm) (3/4 and 11/16 Ports)
Master Cylinder Bore Diameter: 1.75 in
Master Cylinder Material: Cast Iron
Number of Outlets: 2
Rearward Outlet Size: 11/16-18
Secondary Outlet Thread Diameter: 3/4-18
Reservoir Included: Yes
Sensor Included: No
1980-1983 International:
S1624
S1723
S1724
S1754
S1823
S1853
S1854
S1924
S1925
S1954
S1955
S2125
INTERNATIONAL 1654 1983-1984
INTERNATIONAL 1724 1979-1985
INTERNATIONAL 1754 1979-1985
INTERNATIONAL 1824 1983-1984
INTERNATIONAL 1854 1983-1985
INTERNATIONAL 1924 S 1979-1980
INTERNATIONAL 2276 S 1983-1985
INTERNATIONAL 2375 S 1983-1985
INTERNATIONAL F1924 1979-1981
INTERNATIONAL F1954 1979-1982
INTERNATIONAL S1624 1980-1982
INTERNATIONAL S1654 1984
INTERNATIONAL S1723 1980-1985
INTERNATIONAL S1724 1980-1984
INTERNATIONAL S1753 1984-1985
INTERNATIONAL S1754 1981-1985
INTERNATIONAL S1824 1983-1985
INTERNATIONAL S1853 1983-1985
INTERNATIONAL S1854 1983-1985
INTERNATIONAL S1924 1980-1982
INTERNATIONAL S1925 1980-1982
INTERNATIONAL S1954 1981-1985
INTERNATIONAL S1955 1981-1985
INTERNATIONAL S2125 1980-1981
INTERNATIONAL S2155 1984-1985
INTERNATIONAL S2375 1984
INTERNATIONAL S2524 1980-1982
INTERNATIONAL S2554 1981-1985
1980-1983 Ford
F600
F700
F800
FT800
B600
B700
B7000 $325.00 |  1-3/4 Inch Master Cylinder for Hydro-Max Brake System, Short Reservoir and Differential Pressure Switch (1.75 inch, 44.45 mm)
Master Cylinder Bore Diameter: 1-3/4 in
Master Cylinder Material: Cast Iron
Mounting Hole Quantity: 4
Number of Outlets: 3
Rearward Outlet Size: 9/16-18
Secondary Outlet Thread Diameter: 1/2-20
Reservoir Included: Yes
Reservoir Type: Plastic
Sensor Included: No
1984 - 1991 Ford B600
1984 - 1991 Ford B700
1984 - 1987 Ford B7000
1984 - 1990 Ford C600
1984 - 1990 Ford C700
1984 - 1986 Ford C7000
1984 - 1990 Ford C800
1984 - 1990 Ford C8000
1984 - 1998 Ford F600
1984 - 1998 Ford F700
1984 - 1987 Ford F7000
1984 - 1999 Ford F800
1984 - 1987 Ford F8000
1984 - 1994 Ford L800
1984 - 1988 Ford L8000
1987 - 1994 Ford L8000F
1984 - 1994 Ford L9000
1984 - 1988 Ford LN600
1984 - 1998 Ford LN700
1984 - 1997 Ford LN7000
1984 - 1985 Ford LN800
1984 - 1997 Ford LN8000
1986 - 1998 Ford LN900
1984 - 1997 Ford LN9000
1999-2000 Freightliner
FB65
FC70
FC80
FL50
FL60
FL70
FL80
FLD120
FLD120 SD
FS65
FREIGHTLINER ARGOSY 1999-2001
FREIGHTLINER CLASSIC 2001
FREIGHTLINER CLASSIC XL 2001
FREIGHTLINER FC70 1999-2001
FREIGHTLINER FL106 1999-2001
FREIGHTLINER FL50 1999-2001
FREIGHTLINER FL60 1999-2001
FREIGHTLINER FL70 1999-2001
FREIGHTLINER FL80 1999-2001
FREIGHTLINER FS65 1999-2001
FORD B SERIES BUS 1984-1991
FORD C SERIES TRUCK 1984-1990
FORD F-600 1984-1994
FORD F-700 1984-1998
FORD F-800 1984-1999
FORD L SERIES TRUCK 1984-1997 $425.00 |
 1-3/4 Inch Master Cylinder for Hydro-Max Brake System, Tall Reservoir (1.75 inch, 44.45 mm)
Master Cylinder Bore Diameter: 1.75 in
Master Cylinder Material: Cast Iron
Number of Outlets: 2
Rearward Outlet Size: 9/16-18
Secondary Outlet Thread Diameter: 1/2-20
Reservoir Included: Yes
1993-2002 Chevrolet Bus
1991-1996 Chevrolet Kodiak
1990 Chevrolet Medium Duty Truck
1992-1996 Chevrolet Stepvan
1991-1996 GMC Topkick $325.00 |  1-3/4 Inch Master Cylinder for Hydro-Max Brake System, Tall Reservoir, Deep Hole Piston (1.75 inch, 44.45 mm)
(Reservoir may appear different than pictured)
Master Cylinder Bore Diameter: 1-3/4 in
Master Cylinder Material: Cast Iron
Mounting Hole Quantity: 4
Number of Outlets: 2
Rearward Outlet Size: 9/16-18
Reservoir Included: Yes
Secondary Outlet Thread Diameter: 1/2-20
Sensor Included: No
1991-2002 Chevy GMC Medium/Heavy Truck
B7
C50
C5000
C5500 Kodiak
C6000
C6000 TOPKICK
C70
C70 Kodiak
C7000
C7000 TOPKICK
P6000
P6500 $325.00 |
 1-3/4 Inch Master Cylinder for Hydro-Max Brake System, Tall Reservoir (1.75 inch, 44.45 mm) (3/4 and 11/16 Ports)
1-3/4 1.75" bore
3/4"-18 and 11/16"-18 ports
No differential pressure switch $325.00 |  1-3/4 Inch Master Cylinder for Hydro-Max Brake System, Tall Reservoir w/ Differential Pressure Switch (1.75 inch, 44.45 mm)
Port Sizes:
9/16"
1/2" $425.00 |
 1-3/4 Inch Master Cylinder for Hydro-Max Brake System, for Remote Reservoir (1.75, inch 44.45 mm)
Master Cylinder Bore Diameter: 1.75 in
Master Cylinder Material: Cast Iron
Number of Outlets: 2
Rearward Outlet Size: 9/16-18
Secondary Outlet Thread Diameter: 1/2-20
Reservoir Included: No $425.00 |  1-3/4 Inch Master Cylinder for Hydro-Max Brake System, for Remote Reservoir w/ Differential Pressure Switch (1.75 inch, 44.45 mm)
Master Cylinder Bore Diameter: 1-3/4 in
Master Cylinder Material: Cast Iron
Mounting Hole Quantity: 4
Number of Outlets: 2
Rearward Outlet Size: 9/16-18
Reservoir Included: Yes
Secondary Outlet Thread Diameter: 1/2-20
Sensor Included: No
1999-2001 Freightliner
Argosy
Classic
FC70
FL50
FL60
FL70
FL80
FL106
FS65 $425.00 |
 2 Inch Master Cylinder for Hydro-Max Brake System, Short Reservoir (2.00 inch, 50.80 mm)
Common on 80's Fords
Port sizes:
9/16-18
1/2-20 $325.00 |  2 Inch Master Cylinder for Hydro-Max Brake System, Short Reservoir and Differential Pressure Switch (2.00 inch, 50.80 mm) $425.00 |
 2 Inch Master Cylinder for Hydro-Max Brake System, Tall Reservoir (2.00 inch, 50.80 mm):
1/2- 20 and 9/16- 18 Ports
2 inch bore, 9/16 and 1/2 ports no diff switch, tall reservoir
CHEVROLET B60 1983-1991
CHEVROLET C4500 KODIAK 2003-2009
CHEVROLET C5500 KODIAK 2003-2009
CHEVROLET C6500 KODIAK 2003-2009
CHEVROLET C7500 KODIAK 2003-2009
CHEVROLET P60 1983-1986
CHEVROLET T6500 2004-2009
CHEVROLET T7500 2004-2009
GMC B6000 1983-1991
GMC C4500 TOPKICK 2003-2009
GMC C5500 TOPKICK 2003-2009
GMC C6500 TOPKICK 2003-2009
GMC C7500 TOPKICK 2003-2009
GMC T6500 2004-2009
GMC T7500 2004-2009
ISUZU FTR 2003-2009
ISUZU FVR 2003-2009
ISUZU HTR 2005-2008
ISUZU HVR 2005-2008 $325.00 |  2 Inch Master Cylinder for Hydro-Max Brake System, Tall Reservoir (2.00 inch, 50.80 mm):
CHEVROLET B7 1993-2002
CHEVROLET C60 KODIAK 1992-1996
CHEVROLET C6500 KODIAK 1997-2002
CHEVROLET C70 KODIAK 1992-1996
CHEVROLET C7500 KODIAK 1997-2002
CHEVROLET P6000 1992-1996
CHEVROLET T6500 1997-2002
CHEVROLET T7500 1997-2002
GMC B7 1993-2002
GMC C6000 TOPKICK 1992-1996
GMC C6500 TOPKICK 1997-2002
GMC C7000 TOPKICK 1992-1996
GMC C7500 TOPKICK 1997-2002
GMC P6500 1992-1996
GMC T6500 1997-2002
GMC T7500 1997-2002
ISUZU FSR 1997-2002
ISUZU FTR 1997-2003
ISUZU FVR 1997-2003 $325.00 |
 2 Inch Master Cylinder for Hydro-Max Brake System, Tall Reservoir w/ Differential Pressure Switch (2.00 inch, 50.80 mm):
1/2-20 and 9/16-18 port sizes
4 3/4 Tall, 84 Cu. In. Reservoir $425.00 |  Master Cylinder for Hydro-Max Brake System (for Select Blue Bird Applications) $325.00 |
 Master Cylinder for Hydro-Max Brake System 0204784245 (for Select Applications) $325.00 |  2 Inch Master Cylinder for Hydro-Max Brake System, Short Reservoir and Brake Ports for Brass Manifold (2.00 inch 50.80 mm) $325.00 |
 2 Inch Master Cylinder for Hydro-Max Brake System w/ Differential Pressure Switch, For Mineral Oil Brake Applications (2.00 inch, 50.80 mm) (Volvo Road Grader) $425.00 |  2 Inch Master Cylinder for Hydro-Max Brake System, for Remote Reservoir (2.00 inch, 50.80 mm) $425.00 |
 2 Inch Master Cylinder for Hydro-Max Brake System, for Remote Reservoir w/ Differential Pressure Switch (2.00 inch, 50.80 mm)
Master Cylinder Bore Diameter: 2.00 in, 50.80 mm
Master Cylinder Material: Cast Iron
Mounting Hole Quantity: 4
Number of Outlets: 3
Rearward Outlet Size: 9/16-18
Secondary Outlet Thread Diameter: 1/2-20
Reservoir Included: Remote Reservoir Cap, Reservoir Sold Separately
w/ Differential Pressure Switch
Inlet Size for Remote Fill Ports: 7/16
Wanderlodge motorhome, 1999-2001 International 3800 $425.00 |  Remote Reservoir for Hydro-Max Master Cylinder $165.00 |
 Hydro-Max Master Cylinder Remote Reservoir Plate (for top of Master Cylinder) $115.00 |  Hydro-Max Master Cylinder Remote Reservoir Plate (for bottom of Remote Reservoir) $115.00 |
 Differential Pressure Switch for Hydro-Max Brake Master Cylinders $12.50 | Hydro-Max Master Cylinder Reservoir Cap $7.50 |
Hydro-Max Master Cylinder Cap Diaphragm $4.25 |  $275.00 |
 Hydro-Max Brake System Backup Motor, 12V w/ Single Threaded Stud Connection and 4 Replacement Seals $295.00 |  Hydro-Max Motor 12V, Single Threaded Stud Connection w/ Replacement Seals and Bolts $290.00 |
 Hydro-Max Brake System Backup Motor, 12V w/ Dual Wire Harness $350.00 |  Hydro-Max Brake System Backup Motor, 24V w/ Single Threaded Stud Connection $325.00 |
 $335.00 | Obsolete without stock |
 $65.00 |  $10.00 |
 $20.00 |  Wire Harness for Hydro-Max Brake System $15.00 |
 Hydro-Max Flow Switch Replacement w/ O-Ring $30.00 |  This is a replacement Hydro-Max Flow Pressure Switch. This part of the Hydro-Max can often get broken off in shipping, storing, or installation. There are two types of switches, make sure that your looks like the one pictured. $25.00 |
 Metering Piston For Hydro-Max Brake Booster $5.00 |  $45.00 |
 Hydro-Max Flow Switch Adapter for New Booster to Old Style Switch $32.00 |  $50.00 |
 $12.50 | $15.00 |
 $15.00 |  3/8 Threaded Grommet Style Push Rod for Hydro-Boost and Hydro-Max (w/ Rubber Grommet) $25.00 |
 1/2 Inch Threaded Grommet Style Push Rod for Hydro-Boost and Hydro-Max (w/ Rubber Grommet) $45.00 | 8 Foot Hose, hose ends and port adapters $120.00 |
$30.00 |