OIL COOLER ADAPTER PLATE "UNION BOLT" NOW AVAILABLE!!!

I now have available the large hex-headed Oil Cooler Adaptor Plate-to-Engine Block UNION BOLT available, an exact reproduction of the original. This is the bolt that has both external threads (where the bolt threads into the engine block) and the internal threads (where the oil filter housing cover/bypass valve bolt threads into). This "union" bolt is what actually holds the oil cooler adaptor plate to the block. Many of the used factory oil coolers that are found for sale have all the component pieces needed to install a factory cooler onto a non-cooler bike EXCEPT FOR THIS BOLT, and without it, well, it just ain't gonna happen---this is a very specialized design bolt. For all XJ550 models (with or without the oil cooler), all XJ650 Turbo models, and all XJ900RK models, or on any XJ model adapting a factory oil cooler to a non-oil cooler model.

The large, flat, special thickness washer that goes with this bolt is also available and is listed separately, as well as many of the various factory oil cooler repair pieces, including the adaptor plate and associated parts.


HCP3165 Aftermarket oil cooler adaptor plate-to-block UNION BOLT, cnc-machined high-carbon steel bolt exactly replaces the original in all aspects.
$ 19.95

HCP3163 OEM oil filter housing union bolt PLATE WASHER, fits under the head of the HCP3165 union bolt above and mates to the crankcase. For all XJ550 models only.
$ 1.25

HCP3166 OEM oil filter housing union bolt PLATE WASHER, fits under the head of the HCP3165 union bolt above and mates to the outer surface of the HCP3140 Adpator Plate. Originally used on all XJ650 Turbo and XJ900RK models.
$ 3.25


HCP3140 OEM oil cooler mounting ADAPTOR PLATE, this is the large cast aluminum finned plate that fits against the crankcase and accepts the lower ends of the oil cooler hoses. For all XJ650 Turbo and XJ900RK models only. Necessary when adding a factory oil cooler to a non-factory cooler model. This is NOT the finned outer oil filter "cover" that the oil filter element lives within (that filter housing cover is the same on factory oil cooler and non-oil cooler models). This plate does not include but requires the installation of the HCP3141 bypass valve PLUNGER, the HCP3142 bypass valve SPRING, the HCP3143 bypass valve CAP WASHER, and the HCP3144 circlip in order to be a "complete" adaptor plate. This adaptor plate is still necessary even when installing our aftermarket HCP1284PL or HCP1284KN spin-on can oil filter conversion kits on a factory oil-cooler equipped bike. It is NOT needed when installing the spin-on can filter conversion kits on a NON-cooler bike.
$ 49.00


HCP3141 OEM oil cooler adaptor plate oil pressure relief Bypass PLUNGER, fits inside the bored recess in the HCP3140 adaptor plate. For all XJ650 Turbo and XJ900RK models only.
$ 1.75

HCP3142 OEM oil cooler adaptor plate oil pressure relief Bypass Plunger SPRING, fits inside the bored recess in the HCP3140 adaptor plate, on top of the plunger. For all XJ650 Turbo and XJ900RK models only.
$ 2.50

HCP3143 OEM oil cooler adaptor plate oil pressure relief Bypass Plunger Spring CAP WASHER, fits inside the bored recess in the HCP3140 adaptor plate, on top of the spring. For all XJ650 Turbo and XJ900RK models only.
$ 5.00

HCP3144 OEM oil cooler adaptor plate oil pressure relief Bypass Plunger Spring Cap Washer CIRCLIP. Retains the plunger, spring, and washer inside the bored recess in the HCP3140 adaptor plate. For all XJ650 Turbo and XJ900RK models only.
$ 2.25


HCP3149 OEM oil cooler hose lower flange-to-adaptor plate O-RING, fits inside the oil cooler hose lower mounting flange and seals to the adapter plate. Good idea to replace these every time you remove the lines from the cooler adaptor plate. Use 1 per hose, 2 per bike. For all XJ650 Turbo and XJ900RK models only. Each:
$ 3.00

HCP3150 OEM oil cooler hose lower flange-to-adaptor plate MOUNTING BOLT, used to secure the hose lower flange to the adaptor plate. Use 2 per hose flange, 4 per bike. For all XJ650 Turbo and XJ900RK models only. Each:
$ 1.00


HCP3151 OEM oil cooler hose upper fitting-to-oil cooler radiator O-RING, fits inside the oil cooler hose upper fitting and seals to the oil radiator fluid ports. Good idea to replace these every time you remove the lines from the radiator. Order the HCP3152 Dowel Pin separate. Use 1 per hose, 2 per bike. For all XJ650 Turbo models only. Each:
$ 5.00

HCP3152 OEM oil cooler hose upper fitting-to-oil cooler radiator DOWEL PIN, fits inside the oil cooler hose upper fitting and, along with the HCP3151 o-ring, seals the hose to the oil radiator fluid ports. Good idea to replace these every time you remove the lines from the radiator. Order the HCP3151 O-rings separate. Use 1 per hose, 2 per bike. For all XJ650 Turbo models only. Each:
$ 2.25


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