Two model numbers, two colors, one decision: do you need a Rule 275 and a Rule 278 strainer base? That's exactly what this lot provides. A bilge pump strainer base keeps debris from entering the pump, and when the original cracks or wears, a replacement becomes necessary. This set offers two genuine Rule bases, one for each model number, but they are pre-owned and show signs of prior use.
Quick Verdict
At USD 20.00, this lot gives you two genuine Rule strainer bases covering model numbers 275 and 278. If you own a compatible Rule pump, this is a straightforward way to get a replacement base or a spare. The catch is the pre-owned condition: normal scratches, scuffs, and signs of previous use come with the set.
Who It Suits
This set works for boat owners who already have a Rule bilge pump and need a strainer base replacement. It is especially useful if you expect to need bases for both the 275 and 278 model numbers, since the lot includes one of each. The red base corresponds to the Rule 278, noted for round Rule pumps. If you are comfortable installing a strainer base yourself, this set gives you two replacement bases in one purchase.
What Stands Out
The lot includes genuine Rule bases, one red and one blue, covering two model numbers. The bases help prevent debris from entering the pump, which is the core function of a strainer. Having both 275 and 278 in the same lot means you can cover two pump configurations without buying separate pieces. That is the main practical advantage.
Trade-Offs
The bases are pre-owned, so they show normal scratches, scuffs, and signs of previous use and storage. They will not look brand new. The bilge pumps themselves are not included; this is strictly the strainer bases. Because the lot combines two model numbers, you need to know which base matches your existing pump. The product photos show the exact condition and mounting points, which helps you decide whether this set works for your setup.
Bottom Line
If you need a Rule strainer base for a 275 or 278 pump, this two-piece lot at USD 20.00 is a practical option. You get two genuine bases, one of each model, and the pre-owned condition is likely acceptable for a replacement part that will be installed in a bilge area. If the photos match your needs, this lot saves you from buying two separate bases.
Rule Bilge Pump Strainer Base Lot 275 278 Red Blue Marine Replacement Parts

This lot includes two genuine Rule strainer bases: a red base for the Rule 278 round pump and a blue base for the Rule 275. The set helps keep debris from entering your bilge pump. The bases are pre-owned, so expect normal scratches and scuffs from previous use. Bilge pumps are not included; this is just the strainer bases.