Go with OE or Graf since they are the ONLY other manufacturer to use OE bearings and seals. I've been happy with my Graf pump so far on my wagon. No issues.

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k