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ACDelco 18B2 Brake Drum
for 1978 (please select make/model)


Brand:	ACDelco
Part Number:	18B2
UPC:	00707773352533
Weight:	16.4 lbs
Condition:	New

On Sale:

$39.90

Availability:

160 in Stock

Warehouse:

US-4

Quantity:

Product Information

Description:

BRK DRUM (B)

ACDelco Professional Brake Drums are constructed with G3000 SAE qualified material for structural integrity and maximum service life. They are tested to ISO/TS 16949 quality system standards and validated for balance to provide better braking performance. Chamfer angle, vane configuration, and plate thickness all follow the OE design, making them a premium aftermarket replacement for your GM and non-GM vehicle. Also, no machining is required. ACDelco Professional Brake Drums are ready to be installed right out of the box. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

Follows original manufacturers' designs for dispersing heat, helping to prolong pad and rotor life while reducing noise and vibration
Independently tested with Noise/Vibration/Harshness (NVH) and durability/wear testing; resulting in high quality and reliable products
Inspected for balance; resulting in smooth brake operation and noise reduction

Specifications:

ABS Tone Ring Included:

Bolt Circle Diameter (in):

4.5 in

Bolt Circle Diameter (mm):

114.3 mm

Bolt Hole Quantity:

Brake Surface Finish:

Turned

Center Bore Diameter (in):

2.83in

Center Bore Diameter (mm):

72mm

Center Hole Diameter:

2.813 in.

Center Hole Diameter:

71.45 mm

Depth:

2.92 in.

Depth:

74.15 mm

Directional or Non-Directional Brake Surface:

Non-Directional

Discard Thickness (in):

10.09 in

Discard Thickness (mm):

256.3 mm

Grade Type:

Regular

Height (in):

4.1 in

Length (in):

10.09 in

Material:

Cast Iron

Maximum Brake Diameter (Discard):

256.29 mm

Measurements:

10 X 2 1/2 in

Mount Hole Diameter (in):

0.662in

Mount Hole Diameter (mm):

16.815mm

Nominal Drum Diameter:

0.397 in.

Nominal Drum Diameter:

10.1 mm

Outer Cooling Fins:

Outside Diameter:

11.559 in.

Outside Diameter:

293.6 mm

Overall Height:

3.669 in.

Overall Height:

93.2 mm

Programming Required:

Stud/Lug Hole Diameter:

0.654 in.

Stud/Lug Hole Diameter:

16.6 mm

Stud/Lug Hole Quantity:

Weight:

16.4 lb

Width (in):

12.3 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: