Heavy Duty Mfg 21-344 Cross Reference

OneTouch OTX-4VC0494 is a direct interchange for Heavy Duty Mfg 21-344. 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-4VC0494 specifications (replaces Heavy Duty Mfg 21-344)

Clamp Type	V-Band Clamp
Application	Exhaust & Turbo (General Purpose)
Nominal Diameter	4.94 in (125.5 mm)
Insert Thickness (A)	0.06 in
Insert Apex Width (B)	0.181 in
Insert Depth (C)	0.281 in
Band Thickness (D)	0.035 in
Band Width	0.75 in
Compatible With	Multiple Mack Applications
OEM Manufacturer	Mack, Volvo
Sold As	Each

Where the Heavy Duty Mfg 21-344 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-4VC0494 is used on exhaust & turbo (general purpose).

Other part numbers that match OTX-4VC0494

25 more OEM and aftermarket numbers cross to the same clamp. Any of them can be ordered as OTX-4VC0494.

Ordering OTX-4VC0494

Send us the Heavy Duty Mfg 21-344 number with the quantity you need and your delivery country. We reply within 24 hours with price and lead time for OTX-4VC0494.

Questions about this number

Is OTX-4VC0494 the same as Heavy Duty Mfg 21-344?

Yes. OTX-4VC0494 matches Heavy Duty Mfg 21-344: band width 0.75 in. If the hose has been changed since the old clamp was fitted, measure the hose outside diameter before ordering.