Overview Reviews Product Description The double-ended spanner wrench fits the holes in pressed-on water pump pulleys. Hold the pulley firm with the spanner wrench. Use the appropriate open end wrench to turn the fan clutch nut (41740 36mm turning wrench works on many applications). Lisle Tools Catalog Product Videos Custom Field Harmonization code HTS #8204220090 Manufacturing country CN Product Reviews Write a Review Write a Review × Lisle Fan Clutch Spanner Wrench 44180 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *