3276257|Water Pump for 2015 Ford Transit-350 HD 3.7L - WP4237AXP42. Replace your original Water Pump with this direct-fit unit for the 2015 Ford Transit-350 HD 3.7L. Trusted by mechanics and DIYers alike, it helps maintain optimal engine operation and performance.. 2015 Ford Transit-350 HD 3.7L Engine Water Pump - WP4237AXP42 Also fits the following vehicles: 2017 Ford Transit-250 3.5L Engine Water Pump, 2018 Ford Transit-250 3.5L Engine Water Pump, 2015 Ford Transit-250 3.7L Engine Water Pump, 2016 Ford Transit-250 3.7L Engine Water Pump, 2017 Ford Transit-250 3.7L Engine Water Pump, 2015 Ford Transit-350 HD 3.5L Engine Water Pump, 2016 Ford Transit-350 HD 3.5L Engine Water Pump, 2017 Ford Transit-350 HD 3.5L Engine Water Pump, 2018 Ford Transit-350 HD 3.5L Engine Water Pump, 2015 Ford Transit-350 HD 3.7L Engine Water Pump, 2016 Ford Transit-350 HD 3.7L Engine Water Pump, 2017 Ford Transit-350 HD 3.7L Engine Water Pump, 2015 Ford Transit-350 3.5L Engine Water Pump, 2016 Ford Transit-350 3.5L Engine Water Pump, 2017 Ford Transit-350 3.5L Engine Water Pump