Norma 3730103140 Cross Reference
OneTouch OTX-4VC0550 is a direct interchange for Norma 3730103140. Both are a quick-release v-band clamp, so the clamp drops into the same position on the vehicle without changes to the hose or fitting.
OneTouch replacement
Part No. OTX-4VC0550
- Band Width 0.75 in
OTX-4VC0550 specifications (replaces Norma 3730103140)
| Clamp Type | Quick-Release V-Band Clamp |
| Application | Exhaust & Turbo (General Purpose) |
| Nominal Diameter | 5.50 in (139.7 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 |
| Sold As | Each |
Where the Norma 3730103140 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-4VC0550 is used on exhaust & turbo (general purpose).
Other part numbers that match OTX-4VC0550
6 more OEM and aftermarket numbers cross to the same clamp. Any of them can be ordered as OTX-4VC0550.
| Name | Part Number | Type |
|---|---|---|
| Excoh | 4VC0550 | Aftermarket |
| Norma | 0373 0103 140 | Aftermarket |
| Norma | 3730103140 | Aftermarket |
| Norma | 03730103140 | Aftermarket |
| R.G. Ray | 010301-005 | Aftermarket |
| R.G. Ray | 10301005 | Aftermarket |
| R.G. Ray | 010301005 | Aftermarket |
Ordering OTX-4VC0550
Ask for a quote with the number 3730103140 or OTX-4VC0550, plus your quantity. Small orders and full export cartons are both welcome, and we reply within 24 hours.
Questions about this number
Is OTX-4VC0550 the same as Norma 3730103140?
Yes. OTX-4VC0550 matches Norma 3730103140: band width 0.75 in. If the hose has been changed since the old clamp was fitted, measure the hose outside diameter before ordering.