Will this fit a 7.5hdkaj11502d?

Don't know. you need to check the manual to determine what filter you need. Better safe than sorry if you use the wrong one.

Does the filter have the big fitting on the bottom or top? Pic conflicts with the one I’m looking at now.

Mine is the same as shown the picture. Recheck the filter part number. If yours doesn't match, it must be a different filter. Mine is for Onan 7000 diesel generator.

Bleed air from fuel filter

After changing this filter you need to prime the system. To do this, use the stop/ start switch on the generator and press and hold the switch in the stop position for about 1 minute. You should hear the fuel pump running whole doing this. After doing this press the switch to opposite way to start . If the unit doesnt start yet repeat the process until it does start.

What is the proper fuel filter for an onan 12500 cummings diesel generator? model & part number please

check your owners guide or go on-line to cummins. looks the same as mine but I have a smaller generator

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Cummins 1492513 Onan Fuel Filter

Product ID: 10622786

Details

Brand
Cummins
Item Diameter
4 inches
Outer Material
Plastic
Product Grade
Replacement
Vehicle Service Type
RV

⚙️Vehicle-specific fit

🛠️Lightweight & compact

🇺🇸Made in USA precision

1393 kr

Duties & taxes included

In stock

Sold byAmazon NorwayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⛽ Keep your engine running smooth with Cummins precision!

OEM GRADE REPLACEMENT - Maintain your engine’s efficiency with a part that meets original equipment standards.
TOP RATED RELIABILITY - Join over 590 satisfied users with a stellar 4.8-star rating.
COMPACT LIGHTWEIGHT DESIGN - Easy to handle and install without adding bulk or weight.
PRECISION ENGINEERED IN THE USA - Trust the quality and reliability of a genuine Cummins part made domestically.
TAILORED FIT FOR QUIET DIESEL QD - Seamlessly integrates with your RV’s fuel system for optimal performance.

The Cummins 1492513 Onan Fuel Filter is a high-quality, USA-made replacement part designed specifically for Quiet Diesel QD RV engines. Compact and lightweight, it ensures a perfect fit and reliable fuel filtration, backed by excellent customer ratings and OEM-grade standards.

Specifications

ASIN	B003ZOLAH0
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#36,768 in Automotive ( See Top 100 in Automotive ) #203 in Automotive Replacement Fuel Filters
Brand Name	Cummins
Compatible with Vehicle Type	RV
Customer Reviews	4.8 4.8 out of 5 stars (596)
Global Trade Identification Number	00690781000438
Item Diameter	4 inches
Item Weight	12 ounces
Manufacturer	Cummins
Manufacturer Part Number	1492513
Model Number	149-2513
Number of Items	1
OEM Equivalent Part Number	1492513
Outer Material	Plastic
Product Grade	Replacement Part
Style Name	In-Line
UPC	690781000438

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