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ACDelco 18M230 | Brake Master Cylinder
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ACDelco 18M230 | Brake Master Cylinder

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$49.99
Part Number
ACD18M230
UPC:
707773421307
Condition:
New
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Description

ACDelco Professional Brake Master Cylinders use both aluminum and iron castings, making them a high quality replacement for many vehicles on the road today. These master cylinders contain both Ethylene Propylene (EPDM) and Styrene Butadiene (SBR) rubber components to provide superior resistance to heat, corrosion, and leakage. ACDelco Professional Brake Master Cylinders are ready to bench bleed and install right out of the box - no assembly required. These premium aftermarket replacement brake master cylinders are manufactured to meet your expectations for fit, form, and function. ? WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

BRAND: ACDelco

FEATURES:

  • Cast iron and aluminum specifications| no extra stress on the brake boosting mounting
  • Chevrolet|GMC|Workhorse|Workhorse|Workhorse Custom Chassis
  • Geometrical tolerance ensures that the body and plastic reservoir match for a proper fit
  • Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and quality
  • Piston assembly and return spring help to prevent brake drag, which can cause premature brake pad wear
  • Pressure tested to ensure safe and confident braking

SPECIFICS:

Bleeder Hoses IncludedYes
Brake Booster IncludedNo
FAQ - Answer 1No, but it is a good idea to inspect them for wear-out, cracking, leaking etc.
FAQ - Answer 2Yes, ACDelco also offers GM OE brake cylinders.
FAQ - Answer 3Yes, ACDelco Professional Brake Cylinders come with a 12 month / unlimited mile warranty.
FAQ - Question 1Do I have to replace all my brake parts when replacing my brake cylinder?
FAQ - Question 2Does ACDelco offer other grades of brake cylinders?
FAQ - Question 3Are these brake parts durable?
Good Maintenance Practices - Section 1 - Bullet 1Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
Good Maintenance Practices - Section 1 - Bullet 2Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Good Maintenance Practices - Section 1 - Bullet 3Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
Good Maintenance Practices - Section 1 - Bullet 4Check the thickness of your brake pads.
Good Maintenance Practices - Section 1 - HeaderThe following inspections and maintenance procedures can help prevent potential brake problems:
Good Maintenance Practices - Section 2 - Bullet 1Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - Section 2 - Bullet 2Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - Section 2 - Bullet 3Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4Parking brake adjustments (as needed).
Good Maintenance Practices - Section 2 - HeaderThe following should be conducted by a qualified technician:
Height (in)4.8
Length (in)9.4
Master Cylinder Cap IncludedYes
Master Cylinder MaterialCast Iron
Measurements1 5/16 in Cylinder Bore
Mounting Bracket IncludedNo
Mounting Hole Quantity2
Port Quantity2
Programming RequiredNo
Pushrod IncludedNo
Reservoir IncludedYes
Signs of Wear & Troubleshooting - Section 1 - Bullet 1Brake warning light is on.
Signs of Wear & Troubleshooting - Section 1 - Bullet 2Fluid spots beneath the car, indicating there may be a leak within the cylinder.
Signs of Wear & Troubleshooting - Section 1 - Bullet 3Difficulty stopping the vehicle.
Signs of Wear & Troubleshooting - Section 1 - Bullet 4A low or sinking brake pedal.
Signs of Wear & Troubleshooting - Section 1 - HeaderBrake cylinder signs of wear include:
Weight (lb)11.17
Width (in)5.8

APPLICATIONS:

  • 1983-1983 GMC P3500 - Position: N/A
    • w/ Stamping # 1925 on Master Cylinder w/ 13" X 3 1/2" Brakes
  • 1983-1983 Chevrolet K30 - Position: N/A
    • w/ Stamping # 1925 on Master Cylinder w/ 13" X 3 1/2" Brake Drum
  • 1996-1996 Chevrolet P30 - Position: N/A
    • Except Motorhome Chassis
  • 1984-1986 GMC K3500 - Position: N/A
    • w/ 13" X 3 1/2" Brakes
  • 1987-1991 GMC R3500 - Position: N/A
  • 1994-1995 Chevrolet P30 - Position: N/A
  • 1992-1993 GMC P3500 - Position: N/A
    • Bore 1-15/16in w/ 13" X 3 1/2" Brakes
  • 2002-2003 Workhorse W20 - Position: N/A
  • 1987-1991 GMC V3500 - Position: N/A
  • 1993-1995 GMC P3500 - Position: N/A
    • with 13in x 2-1/2in Brakes
  • 2002-2003 Workhorse Custom Chassis W22 - Position: N/A
  • 2002-2003 Workhorse W22 - Position: N/A
  • 1993-1993 Chevrolet P30 - Position: N/A
    • Bore 1-15/16in w/ 13" X 3 1/2" Brakes
  • 2002-2003 Workhorse Custom Chassis P32 - Position: N/A
    • Stripped Chassis
  • 2002-2003 Workhorse P32 - Position: N/A
    • Stripped Chassis
  • 1984-1986 Chevrolet K30 - Position: N/A
    • w/ 13" X 3 1/2" Brake Drum
  • 1984-1991 GMC P3500 - Position: N/A
    • w/ 13" X 3 1/2" Brakes
  • 1984-1986 GMC C3500 - Position: N/A
  • 1984-1992 Chevrolet P30 - Position: N/A
    • w/ 13" X 3 1/2" Brakes
  • 1989-1991 Chevrolet V3500 - Position: N/A
  • 2000-2000 Workhorse P32 - Position: N/A
    • Stripped Chassis
  • 1987-1988 Chevrolet R30 - Position: N/A
  • 2000-2003 Workhorse P30 - Position: N/A
    • Stripped Chassis
  • 1987-1988 Chevrolet V30 - Position: N/A
  • 1983-1983 Chevrolet C30 - Position: N/A
    • w/ Stamping # 1925 on Master Cylinder w/ 13" X 3 1/2" Brakes
  • 1984-1986 Chevrolet C30 - Position: N/A
  • 1983-1983 GMC K3500 - Position: N/A
    • w/ 13" X 3 1/2" Brakes w/ Stamping # 1925 on Master Cylinder
  • 1993-1993 Chevrolet P30 - Position: N/A
    • with 13in x 2-1/2in Brakes
  • 1983-1983 Chevrolet P30 - Position: N/A
    • w/ Stamping # 1925 on Master Cylinder w/ 13" X 3 1/2" Brakes
  • 1989-1991 Chevrolet R3500 - Position: N/A
  • 1994-1995 Chevrolet P30 - Position: N/A
    • with 13in x 2-1/2in Brakes w/o Dual Rear Wheels
  • 1983-1983 GMC C3500 - Position: N/A
    • w/ Stamping # 1925 on Master Cylinder w/ 13" X 3 1/2" Brakes
  • 2000-2000 Workhorse Custom Chassis P32 - Position: N/A
    • Stripped Chassis

Attributes
Product type:
Aftermarket
Product Description:
Brake Master Cylinder Assembly
Programming Required:
No
Mounting Bracket Included:
No
Mounting Hole Quantity:
2
Port Quantity:
2
Reservoir Included:
Yes
Measurements:
1 5/16 in Cylinder Bore
Hazardous Material:
No
Minimum Order Quantity:
1
Features & Benefits - Bullet 2:
Pressure tested to ensure safe and confident braking
Features & Benefits - Bullet 4:
Geometrical tolerance ensures that the body and plastic reservoir match for a proper fit
Features & Benefits - Bullet 3:
Cast iron and aluminum specifications; no extra stress on the brake boosting mounting
Features & Benefits - Bullet 1:
Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and quality
Weight (lb) (Pound):
11.17
Height (in) (Inch):
4.8
Width (in) (Inch):
5.8
Length (in) (Inch):
9.4
Signs of Wear & Troubleshooting - Section 1 - Bull:
Fluid spots beneath the car, indicating there may be a leak within the cylinder.
Signs of Wear & Troubleshooting - Section 1 - Bull:
Difficulty stopping the vehicle.
Signs of Wear & Troubleshooting - Section 1 - Bull:
Brake warning light is on.
Life Cycle Status:
Announced
Signs of Wear & Troubleshooting - Section 1 - Bull:
A low or sinking brake pedal.
Life Cycle Status Description:
Announced - Part has been announced to customers on a paper “New Number Announcement”. Part is active.
FAQ - Answer 2:
Yes, ACDelco also offers GM OE brake cylinders.
Item Level GTIN:
00707773421307
FAQ - Question 3:
Are these brake parts durable?
FAQ - Question 1:
Do I have to replace all my brake parts when replacing my brake cylinder?
FAQ - Question 2:
Does ACDelco offer other grades of brake cylinders?
Signs of Wear & Troubleshooting - Section 1 - Head:
Brake cylinder signs of wear include:
Features & Benefits - Bullet 5:
Piston assembly and return spring help to prevent brake drag, which can cause premature brake pad wear
FAQ - Answer 1:
No, but it is a good idea to inspect them for wear-out, cracking, leaking etc.
Good Maintenance Practices - Section 1 - Bullet 1:
Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
Good Maintenance Practices - Section 1 - Bullet 2:
Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Good Maintenance Practices - Section 1 - Bullet 3:
Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
Good Maintenance Practices - Section 1 - Bullet 4:
Check the thickness of your brake pads.
FAQ - Answer 3:
Yes, ACDelco Professional Brake Cylinders come with a 12 month / unlimited mile warranty.
Good Maintenance Practices - Section 1 - Header:
The following inspections and maintenance procedures can help prevent potential brake problems:
Good Maintenance Practices - Section 2 - Bullet 1:
Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - Section 2 - Bullet 2:
Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - Section 2 - Bullet 3:
Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4:
Parking brake adjustments (as needed).
Good Maintenance Practices - Section 2 - Header:
The following should be conducted by a qualified technician:
Pushrod Included:
No
Master Cylinder Cap Included:
Yes
Master Cylinder Material:
Cast Iron
Brake Booster Included:
No
Bleeder Hoses Included:
Yes
Primary Outlet Thread Diameter (Inch):
0.5625
Master Cylinder Bore Diameter (Inch):
1.3125
Secondary Outlet Thread Diameter (Inch):
0.5
Primary Outlet Thread Diameter (Millimeter):
14.287
Secondary Outlet Thread Diameter (Millimeter):
12.7
Master Cylinder Bore Diameter (Millimeter):
33.3375
Country of Origin:
Mexico
Weight - Each (Gross Pounds):
11.17
Weight - Case (Gross Pounds):
67.02
Height - Each (Inch):
04.80
Height - Case (Inch):
10.60
Length - Each (Inch):
09.40
Length - Case (Inch):
18.40
Width - Each (Inch):
05.80
Width - Case (Inch):
10.50



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