Cummins High Altitude Regulator Kit, P4500iDF — A073Z778
OEM part
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support
At a glance
- Brand
- Cummins
- Part Number
- A073Z778
- Compatible With
- P4500iDF
- Type
- Portable Generator Accessory
- Shipping
- Free shipping (lower 48)
Confirmed compatibility
Why this generator
- Genuine factory Cummins OEM part — protects your equipment warranty
- Engineered to fit P4500iDF
Everything you need to know
The Cummins High Altitude Regulator Kit, P4500iDF is a genuine Cummins OEM accessory for your home standby generator.
- Function: A genuine OEM accessory engineered to fit and perform with your standby generator.
- Type: Genuine Cummins OEM accessory
- Part #: A073Z778
Sold and shipped as a genuine Cummins part from a factory-authorized dealer, backed by expert support. Not sure it fits your unit? Contact us with your model and we'll confirm compatibility before you order.
Frequently asked questions
Is this a genuine OEM part?+
Yes — sold and shipped as a genuine Cummins part from a factory-authorized dealer.
Will it fit my unit?+
Check your model and year — message us with that info and we'll confirm fit before you order.
How fast does it ship?+
Low flat rate shipping — $9.95 at checkout. Most parts leave the warehouse in 2–4 business days.
What's the return policy?+
30-day returns on unused parts and accessories in original packaging.
Low flat rate shipping — $9.95
Low flat rate shipping — $9.95 at checkout. Typically ships in less than 2 weeks.
Install help, no upsell
We size, spec, and connect you with a vetted local installer — or talk your contractor through it for free.
Genuine Cummins part
Sold and shipped as a genuine Cummins OEM part from a factory-authorized dealer. 30-day returns on unused parts in original packaging.