Essential for reintroduction of fuel into fuel pump following maintenance

such as fitting a new diesel filter or following drainage of fuel tank.

Must be used whenever fuel system in disturbed.

Coupler size: 9.89 mm

JTC-4136S will be the complete set with all 4 size couplers.

Applicable: All diesel engines.

Optional couplers: 7.89mm, 9.49mm, 11.8mm