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  2. Auto Parts
  3. Brake System
  4. Brake Hydraulics
  5. Brake Master Cylinder
  6. ACDelco 18M2397

ACDelco 18M2397 Brake Master Cylinder

ACDelco 18M2397 Brake Master Cylinder

ACDelco
Brand:ACDelco
Part Number: 18M2397
UPC: 00707773274088
Weight: 3.2 lbs
Condition:New



On Sale:

$122.57

Availability:
12 in Stock
Warehouse: US-4
Quantity:

Product Information

Description:

Get the ACDelco 18M2397 Brake Master Cylinder for your vehicle. Buy now and secure your purchase online!

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

Features and Benefits:

  • Cast iron and aluminum specifications; no extra stress on the brake boosting mounting
  • 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

Specifications:

Bleeder Hoses Included:
Yes
Bore Size:
1.250 in.
Brake Booster Included:
No
Height (in):
6 in
Length (in):
13.62 in
Master Cylinder Bore Diameter:
0 in.
Master Cylinder Bore Diameter:
0 mm
Master Cylinder Cap Included:
Yes
Master Cylinder Material:
Aluminum
Mounting Bracket Included:
No
Mounting Hole Diameter:
0.413 in.
Mounting Hole Quantity:
2
Port Quantity:
2
Primary Outlet Thread Diameter:
0.5 in.
Primary Outlet Thread Diameter:
12.7 mm
Programming Required:
No
Push Rod Included:
No
Reservoir Included:
Yes
Secondary Outlet Thread Diameter:
0.5 in.
Secondary Outlet Thread Diameter:
12.7 mm
Weight (lb):
3.2 lb
Width (in):
9.38 in

Features and Benefits:

  • – Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
  • – Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
  • – Check the thickness of your brake pads.
  • – Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
  • – Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
  • – Inspection of the brake hoses for brittleness or cracking.
  • – Inspection of wheel bearings and grease seals.
  • – Parking brake adjustments (as needed).
  • The following inspections and maintenance procedures can help prevent potential brake problems:
  • The following should be conducted by a qualified technician:

Specifications:

Country of Origin:
CN

Select a vehicle to narrow ACDelco 18M2397 Brake Master Cylinder fitment info!

Last Updated: 03/15/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

2005

 

2004

 

2005

 

2004

 
Cadillac Escalade

5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Professional
with Vacuum Booster
 

Cadillac Escalade



5.3L V8 Gas OHV,
6.0L V8 Gas OHV Professional
with Vacuum Booster

1 Per Vehicle

2003

 

2003

 
Cadillac Escalade

5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Professional
Except Active Brake Control
 

Cadillac Escalade



5.3L V8 Gas OHV,
6.0L V8 Gas OHV Professional
Except Active Brake Control

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
Cadillac Escalade ESV

6.0L V8 Gas OHV
1
 
Professional
with Vacuum Booster
 

Cadillac Escalade ESV



6.0L V8 Gas OHV Professional
with Vacuum Booster

1 Per Vehicle

2003

 

2003

 
Cadillac Escalade ESV

6.0L V8 Gas OHV
1
 
Professional
Except Active Brake Control
 

Cadillac Escalade ESV



6.0L V8 Gas OHV Professional
Except Active Brake Control

1 Per Vehicle

2005

 

2004

 

2005

 

2004

 
Cadillac Escalade EXT

6.0L V8 Gas OHV
1
 
Professional
with Vacuum Booster
 

Cadillac Escalade EXT



6.0L V8 Gas OHV Professional
with Vacuum Booster

1 Per Vehicle

2003

 

2003

 
Cadillac Escalade EXT

6.0L V8 Gas OHV
1
 
Professional
Except Active Brake Control
 

Cadillac Escalade EXT



6.0L V8 Gas OHV Professional
Except Active Brake Control

1 Per Vehicle

2003

 

2003

 
Chevrolet Avalanche 1500

5.3L V8 Gas OHV
1
 
Professional
with Vacuum Booster
 

Chevrolet Avalanche 1500



5.3L V8 Gas OHV Professional
with Vacuum Booster

1 Per Vehicle

2005

 

2005

 
Chevrolet Silverado 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Professional
7,200 Lb. GVW
Rear Disc
 

Chevrolet Silverado 1500



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV Professional
7,200 Lb. GVW
Rear Disc

1 Per Vehicle

2004

 

2004

 
Chevrolet Silverado 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Professional
 

Chevrolet Silverado 1500



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV Professional

1 Per Vehicle

2003

 

2003

 
Chevrolet Silverado 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Professional
with Vacuum Booster
Except Active Brake Control
 

Chevrolet Silverado 1500



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV Professional
with Vacuum Booster
Except Active Brake Control

1 Per Vehicle

2003

 

2003

 
Chevrolet Silverado 1500 HD

6.0L V8 Gas OHV
1
 
Professional
with Vacuum Booster
 

Chevrolet Silverado 1500 HD



6.0L V8 Gas OHV Professional
with Vacuum Booster

1 Per Vehicle

2006

 

2006

 
Chevrolet Suburban 1500

6.0L V8 Gas OHV
1
 
Professional
with Vacuum Booster
 

Chevrolet Suburban 1500



6.0L V8 Gas OHV Professional
with Vacuum Booster

1 Per Vehicle

2006

 

2005

 

2004

 

2006

 

2005

 

2004

 
Chevrolet Suburban 1500

5.3L V8 Flex OHV,
5.3L V8 Gas OHV
1
 
Professional
with Vacuum Booster
 

Chevrolet Suburban 1500



5.3L V8 Flex OHV,
5.3L V8 Gas OHV Professional
with Vacuum Booster

1 Per Vehicle

2003

 

2003

 
Chevrolet Suburban 1500

5.3L V8 Flex OHV,
5.3L V8 Gas OHV
1
 
Professional
with Vacuum Booster
w/o Traction Control
 

Chevrolet Suburban 1500



5.3L V8 Flex OHV,
5.3L V8 Gas OHV Professional
with Vacuum Booster
w/o Traction Control

1 Per Vehicle

2006

 

2005

 

2004

 

2006

 

2005

 

2004

 
Chevrolet Tahoe

4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV
1
 
Professional
with Vacuum Booster
 

Chevrolet Tahoe



4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV Professional
with Vacuum Booster

1 Per Vehicle

2003

 

2003

 
Chevrolet Tahoe

4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV
1
 
Professional
with Vacuum Booster
w/o Traction Control
 

Chevrolet Tahoe



4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV Professional
with Vacuum Booster
w/o Traction Control

1 Per Vehicle

2005

 

2005

 
GMC Sierra 1500

4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Professional
7,200 Lb. GVW
Rear Disc
 

GMC Sierra 1500



4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV Professional
7,200 Lb. GVW
Rear Disc

1 Per Vehicle

2004

 

2004

 
GMC Sierra 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Professional
 

GMC Sierra 1500



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV Professional

1 Per Vehicle

2003

 

2003

 
GMC Sierra 1500

4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Professional
with Vacuum Booster
 

GMC Sierra 1500



4.3L V6 Gas OHV,
4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV Professional
with Vacuum Booster

1 Per Vehicle

2003

 

2003

 
GMC Sierra 1500 HD

6.0L V8 Gas OHV
1
 
Professional
with Vacuum Booster
 

GMC Sierra 1500 HD



6.0L V8 Gas OHV Professional
with Vacuum Booster

1 Per Vehicle

2006

 

2005

 

2004

 

2006

 

2005

 

2004

 
GMC Yukon

4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Professional
with Vacuum Booster
 

GMC Yukon



4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV Professional
with Vacuum Booster

1 Per Vehicle

2003

 

2003

 
GMC Yukon

4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Professional
Except Active Brake Control
 

GMC Yukon



4.8L V8 Gas OHV,
5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV Professional
Except Active Brake Control

1 Per Vehicle

2006

 

2005

 

2004

 

2006

 

2005

 

2004

 
GMC Yukon XL 1500

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Professional
with Vacuum Booster
 

GMC Yukon XL 1500



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV Professional
with Vacuum Booster

1 Per Vehicle

2003

 

2003

 
GMC Yukon XL 1500

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV
1
 
Professional
Except Active Brake Control
 

GMC Yukon XL 1500



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.0L V8 Gas OHV Professional
Except Active Brake Control

1 Per Vehicle