Cummins 3903652 Cross Reference

OneTouch OTX-4VC0321 is a direct interchange for Cummins 3903652. Both are a v-band clamp, so the clamp drops into the same position on the vehicle without changes to the hose or fitting.

OTX-4VC0321 specifications (replaces Cummins 3903652)

Clamp Type	V-Band Clamp
Application	Exhaust & Turbo (General Purpose)
Nominal Diameter	3.21 in (81.5 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	6BT5.9L | 6BTA5.9L
OEM Manufacturer	Blue Bird, Cummins, Ford, Freightliner, Oshkosh
Sold As	Each

Where the Cummins 3903652 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-4VC0321 is used on exhaust & turbo (general purpose).

Other part numbers that match OTX-4VC0321

25 more OEM and aftermarket numbers cross to the same clamp. Any of them can be ordered as OTX-4VC0321.

Ordering OTX-4VC0321

Quote requests for OTX-4VC0321 are answered within 24 hours. Tell us the quantity, and mention Cummins 3903652 if you are replacing that number.

Questions about this number

Is OTX-4VC0321 the same as Cummins 3903652?

Yes. OTX-4VC0321 matches Cummins 3903652: band width 0.75 in. If the hose has been changed since the old clamp was fitted, measure the hose outside diameter before ordering.