Mack 48 SB 21 Cross Reference
Mack 48 SB 21 is a Mack OEM part number. The OneTouch Exim replacement is OTX-4VC0808, a v-band clamp. It fits the same hose or pipe and installs the same way, so OTX-4VC0808 can be ordered wherever Mack 48 SB 21 is called for.
OneTouch replacement
Part No. OTX-4VC0808
- Band Width 0.75 in
OTX-4VC0808 specifications (replaces Mack 48 SB 21)
| Clamp Type | V-Band Clamp |
| Application | Exhaust & Turbo (General Purpose) |
| Nominal Diameter | 8.08 in (205.2 mm) |
| Insert Thickness (A) | 0.05 in |
| Insert Apex Width (B) | 0.262 in |
| Insert Depth (C) | 0.141 in |
| Band Thickness (D) | 0.035 in |
| Band Width | 0.75 in |
| Compatible With | Mack E6 Engine |
| OEM Manufacturer | Mack |
| Sold As | Each |
Where the Mack 48 SB 21 clamp is used
V-band clamps join flanged exhaust, turbocharger, EGR and DPF connections. The tapered band pulls the two flanges together evenly, giving a tight seal that holds under heat and vibration. OTX-4VC0808 is used on exhaust & turbo (general purpose).
Other part numbers that match OTX-4VC0808
7 more OEM and aftermarket numbers cross to the same clamp. Any of them can be ordered as OTX-4VC0808.
| Name | Part Number | Type |
|---|---|---|
| Breeze | VT10808 | Aftermarket |
| Excoh | 4VC0808 | Aftermarket |
| Mack | 48 SB 21 | OEM |
| Mack | 48SB21 | OEM |
| Norma | 0365 1682 052 | Aftermarket |
| Norma | 3651682052 | Aftermarket |
| Norma | 03651682052 | Aftermarket |
| PAI | ECL2860 | Aftermarket |
Ordering OTX-4VC0808
Quote requests for OTX-4VC0808 are answered within 24 hours. Tell us the quantity, and mention Mack 48 SB 21 if you are replacing that number.
Questions about this number
Is OTX-4VC0808 the same as Mack 48 SB 21?
Yes. OTX-4VC0808 matches Mack 48 SB 21: band width 0.75 in. If the hose has been changed since the old clamp was fitted, measure the hose outside diameter before ordering.