For 1998 Omega Wagon B Opel recommends to use: SAE 10W-30, SAE 10W-40, SAE 15W-40, SAE 0W-40, SAE 5W-30, SAE 5W-40, and SAE 10W-60 and genuine OEM consumables with following part numbers: 90540998, and 9121964. To select the right part or fluid see the table below.

in your garage to make future searches easy.

Condition Value
expand_moreEngine oil viscosity
ACEA A2/B2 SAE 10W-30, SAE 10W-40, SAE 15W-40
expand_moreAll other modifications
ACEA A3/B3 SAE 0W-40, SAE 5W-30, SAE 5W-40,
SAE 10W-40, SAE 10W-60, SAE 15W-40
expand_moreManual transmission oil specification
Vehicles with gearbox number from JP 30 97 A 013 616 59 90540998
To gearbox number JP 30 97 A 013 616 58 9121964

Opel recommendations and specifications for oil and fluid for 1998 Omega Wagon.

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1998 Opel Omega Wagon user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and Opel warranty policy for your region. In some regions DIY service may invalidate your warranty.

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Opel Omega Wagon service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 1998 Opel Omega Wagon you're not only saving money, but also also improving your technical skills and learning something new.

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