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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
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Description
MasterGuard Installation Kit 503 ()MasterGuard 500 Series Installation Kit for Engines with 4. 25 in. or 4. 75 in. Gearcases. Lifetime warranty for engines under 200hp with aluminum or stainless steel props and engines 200+hp with aluminum props only. MasterGuard Installation Hub Kits carry the only Lifetime Warranty in the WORLD!. Hubs have no warranty restrictions, except for extreme commercial use. Saves a boater up to 33% on replacement propeller purchases (need to purchase prop
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.9 ★★★★★
Based on 708 reviews
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Product Reviews
★★★★★ 4
Does not work on Porsche 2015 S-E Hybrid
DOESNT WORK on Porsche 2015 S E-Hybrid
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
★★★★★ 5
Great
Perfect for my 2008 Cayenne S
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2025
★★★★★ 1
Made in China? Really famous German brand Bosch?
Made in China? Really famous German brand Bosch? I would not have bought this filter for my Porsche Macan if I'd known it was made in China and would have bought a German-made Mann or Mahle filter like I have in the past.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
★★★★★ 5
Worked well.
Worked well.
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Reviewed in the United States on October 24, 2024
★★★★★ 5
Perfect fit
Good quality for Porsche. Easy to install.
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Reviewed in the United States on March 10, 2024
