Sierra 18-9421CAT-2 4-Stroke Synthetic Blend Catalyst Outboard Engine Oil, 10W30, Qt. seachoice-sld-brd-nylon • Cutout: 6-7/8" H x

• Cutout: 6-7/8" H x 6-3/8" W

Bomar C41020 is a Commercial Grade rectangular cast-aluminum inspection hatch for heavy-duty marine access

and other machinery

• Manufacturer part number 50-15069

*The LTBSF4 and LTBSF5 will clear most 18-24" closed dome radars using the ADAR1 top plate

Sierra 18-9421CAT-2 4-Stroke Synthetic Blend Catalyst Outboard Engine Oil, 10W30, Qt. seachoice-sld-brd-nylon • Cutout: 6-7/8" H xMeets requirements of modern 4 stroke recreational engines with or without emission catalyst systems Approved for all 4 stroke applications including Outboard, Sterndrive and Inboard Exceeds all 4 stroke requirements including FC W and FC W Cat Compatible Provides superior corrosion protection under extreme conditions Industry leading wear protection and deposit control Capitalizing on "ZDDP" anti wear additive technology Prevents phosphorous