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ACDelco 18B255 Brake Drum
for 1978 (please select make/model)

ACDelco 18B255 Brake Drum - 1978 Image 1

ACDelco 18B255 Brake Drum - 1978 Image 2


Brand:	ACDelco
Part Number:	18B255
UPC:	00707773350850
Weight:	29.2 lbs
Condition:	New

On Sale:

$75.04

Availability:

279 in Stock

Warehouse:

US-4

Quantity:

Product Information

Description:

Get the ACDelco 18B255 Brake Drum for your 1978. Buy now and secure your purchase online!

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):

5.5 in

Bolt Circle Diameter (mm):

139.7 mm

Bolt Hole Quantity:

Brake Surface Finish:

Turned

Center Bore Diameter (in):

3.57in

Center Bore Diameter (mm):

90.6mm

Depth:

3.42 in.

Depth:

86.85 mm

Discard Thickness (in):

11.21 in

Discard Thickness (mm):

284.7 mm

Grade Type:

Regular

Height (in):

4.38 in

Length (in):

11.21 in

Material:

Cast Iron

Maximum Brake Diameter (Discard):

284.73 mm

Measurements:

11 5/32 X 2 3/4 in

Mount Hole Diameter (in):

0.456in

Mount Hole Diameter (mm):

11.582mm

Nominal Drum Diameter:

0.441 in.

Nominal Drum Diameter:

11.2 mm

Outer Cooling Fins:

Yes

Outside Diameter:

0.525 in.

Outside Diameter:

13.35 mm

Programming Required:

Stud/Lug Hole Diameter:

0.448 in.

Stud/Lug Hole Diameter:

11.4 mm

Stud/Lug Hole Quantity:

Weight:

29.2 lb

Width (in):

14.12 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: