ShopAmerex.com · Amerex 04072 datasheet · https://shopamerex.com/products/amerex-04072-wheeled-unit-red-saddle-clamp · Figures as published by Amerex · Verified Sep 2, 2026
Genuine Amerex service part·Part no. 04072
Amerex 04072 Wheeled Unit Red Saddle Clamp
Amerex 04072 is the Retaining Strap for the nitrogen cylinder, listed as item 19 on printed page 18 (PDF page 20) of Amerex Parts Book 27277 Rev D, for 125/150 lb dry chemical wheeled models 450 (125 lb ABC) and 452 (125 lb Purple K). Full overview ↓
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Which models does the Amerex 04072 fit?
Per the Amerex Parts Book · page 20| Fits | Extinguisher | UL rating | Capacity | Price | Link |
|---|---|---|---|---|---|
| Model 450 |  11483 Amerex 450 125 lb Wheeled ABC Fire ExtinguisherParts Book p.18 |
30A:240B:C | 125 lb (57 kg) | $4,960.00 | View |
| Model 452 |  10643 Amerex 452 125 lb Wheeled Purple K Fire ExtinguisherParts Book p.18 |
320B:C | 125 lb (57 kg) | $6,671.00 | View |
Parts list for 125/150 lb. dry chemical wheeled models, 23 cu. ft. nitrogen cylinder
Fitment per the Amerex Parts Book. Check the part number against your unit’s nameplate before ordering.
What is the Amerex 04072?
Amerex 04072 is the Retaining Strap for the nitrogen cylinder, listed as item 19 on printed page 18 (PDF page 20) of Amerex Parts Book 27277 Rev D, for 125/150 lb dry chemical wheeled models 450 (125 lb ABC) and 452 (125 lb Purple K). It holds the 23 cu. ft. nitrogen cylinder (03817) on the carriage and is fastened by the 11970 bolt, washer and wing nut listed as item 20 on the same page. Manual 05605's recharge procedure has the technician install the shipping cap and unscrew the wing nuts before lifting the cylinder off, and cautions that a nitrogen cylinder must never be transported without its protective shipping cap installed. The 300/350 lb models use strap 11021.
Amerex 04072 specifications
| Part number | 04072 |
|---|---|
| Description | Retaining Strap - Nitrogen Cylinder |
| Parts Book page | Printed page 18 (PDF page 20) |
| Diagram item | 19 |
| Pack quantity | 1 (sold individually) |
| Installs with | 11970 Bolt, Washer and Wing Nut (item 20) |
| Models | 450, 452 |
|---|
| Amerex item number | 04072 |
|---|
Part data as published by Amerex. Confirm against the current Parts Book revision before ordering for a unit in service.
Amerex 04072 documents
Official Amerex publications · PDFCurrent Amerex publications, hosted on ShopAmerex so links do not break when Amerex reorganizes its site.
Other parts on Parts Book page 20
Parts list for 125/150 lb. dry chemical wheeled models, 23 cu. ft. nitrogen cylinder · All 11 parts| Part no. | Part | Pack | Price | Quantity and add to cart |
|---|---|---|---|---|
| 03784 | 1 (sold individually) | $126.00 | ||
| 03785 | 1 (sold individually) | $151.00 | ||
| 03787-P001 | Pack of 1 | $200.00 | ||
| 03817 | Each | $1,188.00 | ||
| 03818 | 1 (sold individually) | $156.00 | ||
| 06467 | 1 (sold individually) | $191.00 | ||
| 11970 | Each | $6.99 | ||
| 13956 | 1 (sold individually) | $4.99 |
Item numbers refer to the exploded view on the Parts Book page. Model-specific items are marked in the Amerex parts list; confirm before ordering.
Amerex 04072 questions
What does the Amerex 04072 retaining strap fit?
Amerex 125/150 lb nitrogen cylinder wheeled dry chemical models 450 (125 lb ABC) and 452 (125 lb Purple K), where it retains the 23 cu. ft. nitrogen cylinder.
What hardware installs with the Amerex 04072 strap?
The 11970 bolt, washer and wing nut, listed as item 20 directly after the strap on the same parts list.
Where is part 04072 in the Amerex Parts Book?
Item 19 on printed page 18 (PDF page 20) of Parts Book 27277 Rev D.
Do I have to remove the strap to recharge a 450 or 452?
Manual 05605's recharge procedure has the technician detach the hose from the nitrogen cylinder, install the shipping cap, unscrew the wing nuts and remove the nitrogen cylinder from the extinguisher.
Does the same strap fit the 300 lb wheeled models 491 and 493?
No. The Parts Book lists 11021 as the nitrogen cylinder retaining strap for those models on printed page 19.
Is the Amerex 04072 a genuine Amerex part?
Yes. Manual 05605 states that only factory replacement parts are approved for use on Amerex fire extinguishers.