Home / Store / Parts and Accessories / Adapter (Vehicle to Trailer) “Seachoice Starport Accessory Rail Base (Model 89921)” has been added to your cart. View cart Adapter (Vehicle to Trailer)$9.95 Adapter (Vehicle to Trailer) quantity Add to cart Category: Parts and Accessories Description Additional information Description Round 6 to 4 Flat Additional information Weight 0.5 lbs Dimensions 3.0 × 1.5 × 8.0 in Related products Seachoice OMC Fuel Connector – Female 5/16” (Model 20421) $7.50 Add to cart Moeller Marine / Honda 3/8” Barb – Female Engine Connector $11.99 Add to cart Marpac Premier Fuel Line Assembly (3/8”) $39.99 Add to cart Atwood Honda Fuel Hose Fitting – 3/8” Engine End $10.49 Add to cart