As described. Aluminum caps for diesel and def. Great quality with a snug fit but not tight enough to not be easy to remove. I love that the diesel engine cover is magnetic which makes it easy to attach to the throttle to reattach after refueling. Would buy it again if lost, but I think it's more realistic if it's stolen first. Also, within a day of purchase, I received a thank you email offering help and support for my item. Excellent these days.
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