1621901 / CS20L
S-Cam Brakes (Drum)
Long Stroke - Service Chambers
AFTERMARKET UNIT
Stock Status: In Stock
Price: $135.87
Service Size: 20
Spring Size: N/A
Specs
Aftermarket Unit
Mounting Bolt Thread: 5/8-11
Mounting Bolt Length (in.): 1.530
Port Size: 3/8-18 NPTF
Sealed
Welded Yoke
Stroke (in.): 2.50
CS Model Features
- Formed Steel Pressure Cap -Epoxy-Coated (CS20 Models have Zinc Iron Chromate Coating)
- Formed Steel Non-Pressure Chamber -Epoxy-Coated
- Heavy-Duty Nylon Reinforced Diaphragms
- Top and Side Air Ports -3/8" NPTF
- Center Hole Shield
Part Number: 1621901
Model: CS20L
| Stroke | 2.50" (63.5 mm) |
| Weight lb (kg) | 6.80 lb (3.1 kg) |
| A | 4.37" (111.0 mm) |
| B | 3.63" (92.0 mm) |
| C | 7.00" (177.8 mm) |
| D | 4.75" (120.7 mm) |
| E | 5/8" - 11 UNC |
| Inlets | 3/8" - 18 NPTF |
| Y | 2.25" |
Part Number: 1621901
Model: CS20L
| 1 | Kit -NP Chamber (a) | N/A |
| 2 | Kit -Nuts & Bolts | N/A |
| 3 | Clamp Band Assembly | N/A |
| 4 | Diaphragm | N/A |
| 5 | Kit -Push-Rod Assembly (a) SAE | N/A |
| 5a | Kit -Push-Rod Assembly (a) METRIC | N/A |
| 6 | Return Spring | N/A |
| 7 | Kit -Center Hole Shield | N/A |
| 8 | NP Chamber Assembly (a) | N/A |
| 9 | Kit -Nuts & Washers SAE | 9002001 |
| 9a | Kit -Nuts & Washers METRIC | N/A |
| 10 | Hex Nut -Yoke SAE | N/A |
| 10a | Hex Nut -Yoke METRIC | N/A |
| 11 | Pressure Cap (2-inlet/steel) | N/A |
4048 "C" Model Service Chamber Brochure
5074 Discover the Difference, IHI/MGM Brakes Corporate Brochure
5059 Popular Parts Reference Guide
5093 Vocational Market Flyer - Neoprene Diaphragms, Welded Yokes and Corrosion Fighter Information
86-001 Field Modification of S-Cam Service Brake Chamber Piston Rods
02-002 Mixing Standard & Long Stroke Chambers
03-002 Field Replacement of MGM Brakes Chambers Equipped with Welded Yokes
03-003 Replacement Units for MGM Brakes 3-Inch Long Stroke Chambers with Welded Yokes
03-004 Procedure for Determining Correct Push-Rod Length - Field Replacement
Disclaimer:
If you are using an aftermarket replacement part number for the replacement of an OEM part number, the port and clamp band angles may need to be rotated and the push rod may need to be cut to length. In addition, our aftermarket part numbers come standard with no yoke assembly.
Replacement parts may differ for production part numbers. If you are uncertain that the replacement part listed will work in your unit, please contact us via Live Chat or by calling customer service at 1-800-527-1534 Ext. 6021.
Images may not be actual configuration.
