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The water Pump Suction Pipe connects to the front the engine block, and is the inlet for the cooling system. It sucks water from the bottom of the radiator after it has been cooled.

Overview

Front: Water suction pipe. Rear: Crankcase breather tube

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Original B110 pipe

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B110 A12 uses plain straight pipe 26 mm diameter where it goes into the block, 27mm at the hose lip

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The pipe can be shortened for a cleaner look:

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Removal & Installation

The suction pipe is a press fit into the block. Put vice-grips on it and tap the vice-grips until the pipe comes out.

Tap the new pipe into place. It is a taper fit, and needs no sealant.

Remove the suction pipe in exactly the same manner as the breather pipe:

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Part Numbers

Regular 1200 uses a straight pipe.

Album 15004 Album 6119 Album 13804 Album 17129 Album 24519

21045-18000 PIPE-SUCTION WATER PUMP 21045-H2300 PIPE-suction, water pump GX [small outlet straight up]

The GX inlet pipe at front of block has an additional hose fitting for the manifold coolant hose.

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21045-18000 B120 21045-M0100 B120 7510-7907 [one small fitting, curved] 21045-M3000 B120 7908-8910 21045-G5105 B120 8910- [two small fittings, inner diagonal]

Regular B210 uses a pipe with one small hose connection.

https://i297.photobucket.com/albums/mm219/ddgonzal/sightings/forum/B210_suction_pipes.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/sightings/forum/E10_suction_pipes.jpg

B210 #21045-M0100 A12S,A14S [one small fitting, curved] #21045-M0800 A12T B210 [two small fittings, one straight up] 21045-H8400 A14T B210 [two small fittings, both curved]

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Left: 21045-H8400. Right: 21045-M0100

https://i297.photobucket.com/albums/mm219/ddgonzal/sightings/forum/B310_suction_pipes.jpg

21045-H8400 B310 A12S.S,K,A14-V A13,A15 S,K.A14,K.A12S 21045-H8410 B310 A14S.S,K+AT A15S S,K.A14S 21045-M0100 B310 Van <> 21045-M0110 21045-H8400 A10 A14S.S,K 21045-H8410 A10 A14S.S,K 21045-M0100 A10 A14S.V A14S-7803 21045-M0110 A10 A14S.V

B210 standard pipe

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Vanette C120 front small inlet 10mm diameter, rear small inlet 9mm, length approximately 163mm

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https://i297.photobucket.com/albums/mm219/ddgonzal/sightings/forum/C120_suction_pipes.jpg 21045-G2501 C120 A12 A14.(V,T) [single small connector] 21045-G2800 C120 A15 A14.K [twin upper curved connectors] 21045-H8400 C120 A15 [two small fittings, both curved] 21045-G5105 C22/TC22 A12+A15 [Twin upper connectors] 21045-G5105 GC22 A15

Twin upper connectors

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