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

⛽Optimized fuel flow protection

⚙️Exact OEM fit guaranteed

🇺🇸Made in USA precision

€ 121.86

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⛽ Keep your generator running smooth with Cummins precision!

TRUE OEM QUALITY - Avoid costly failures with genuine Cummins reliability
LIGHTWEIGHT COMPACT - Only 0.25 lbs and 4x4x4.5 inches for easy installation
TRUSTED BY PROFESSIONALS - Rated 4.8 stars by 597 users who demand the best
PRECISION MACHINED FLARES - Perfect thread cuts prevent fuel line damage
PERFECT FIT FOR ONAN QUIET DIESEL - Seamless compatibility with your 8KW generator

The Cummins 1492513 Onan Fuel Filter is a genuine OEM replacement part designed specifically for Onan Quiet Diesel generators. Manufactured in the USA, it ensures precise fitment and reliable fuel filtration, preventing common issues found in cheaper knockoffs. Lightweight and compact, this filter maintains optimal fuel flow and protects your generator’s performance, backed by high customer satisfaction and professional trust.

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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