Vehicle Water Pumps | Summit Racing

EMP Stewart Stage 2 Water Pumps for 1971-1982 CORVETTE - 23103

Water Pump, Stage 2, Aluminum, High-Volume, Chevy, 5.0/5.7L, Each

Part Number: EMP-23103

2.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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EMP Stewart Stage 1 Water Pumps 12103

Water Pump, Stage 1, Cast Iron, High-Volume, Chevy, Small Block, Short, Each

Part Number: EMP-12103

4.08 out of 5 stars ( 12 )

Estimated Ship Date: Today

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EMP Stewart Stage 1 Water Pumps 13113

Water Pump, Stage 1, Cast Iron, High-Volume, Chevy, Small Block, Long, Each

Part Number: EMP-13113

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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EMP Stewart Stage 1 Water Pumps 13123

Water Pump, Stage 1, Cast Iron, High-Volume, Chevy, 5.0/5.7L, Each

Part Number: EMP-13123

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

EMP Stewart Stage 1 Water Pumps 11123

Water Pump, Stage 1, Cast Iron, High-Volume, Chevy, GMC, 7.4, 8.1L, Each

Part Number: EMP-11123

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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EMP Stewart Stage 2 Water Pumps 21123

Water Pump, Stage 2, Aluminum, High-Volume, Chevy, Big Block, Long, Reverse Rotation, Each

Part Number: EMP-21123

3.29 out of 5 stars ( 7 )

Estimated Ship Date: Today

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EMP Stewart Stage 1 Water Pumps 11113

Water Pump, Stage 1, Cast Iron, High-Volume, Chevy, Big Block, Long, Each

Part Number: EMP-11113

3.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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EMP Stewart Stage 1 Water Pumps 16133

Water Pump, Stage 1, Aluminum, High-Volume, Ford, 255, 302, 351W, Each

Part Number: EMP-16133

2.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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EMP Stewart Stage 2 Water Pumps 21204

Water Pump, Stage 2, Aluminum, Chevy, Short Pump, Each

Part Number: EMP-21204

Not Yet Reviewed

Estimated Ship Date: Today

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EMP Stewart Stage 4 Water Pumps 42203

Water Pump, Stage 4, Aluminum, High-Volume, Chevy, Small Block, 3/4 in. Pilot, Each

Part Number: EMP-42203

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

EMP Stewart Stage 1 Water Pumps 12203

Water Pump, Stage 1, Cast Iron, High-Volume, Chevy, Small Block, Short, 3/4 in. Pilot, Each

Part Number: EMP-12203

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

EMP Stewart Stage 1 Water Pumps 16153

Water Pump, Stage 1, Cast Iron, High-Volume, Ford, Big Block, 352-428, Each

Part Number: EMP-16153

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

EMP Stewart Stage 2 Water Pumps 21105

Water Pump, Short, Stage 2, Aluminum, Chevy, Big Block, Each

Part Number: EMP-21105

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

EMP Stewart Stage 4 Water Pumps 46113

Water Pump, Stage 4, Aluminum, Natural, High-Volume, Ford, 302/351W/SVO Small Block, 5.70 in. Length, Each

Part Number: EMP-46113

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

EMP Stewart Stage 1 Water Pumps 16173

Water Pump, Stage 1, Aluminum, Natural, High Volume, Reverse Rotation, Serpentine Belt, Ford, Small Block, Each

Part Number: EMP-16173

3.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

EMP Stewart Stage 1 Water Pumps 11104

Water Pump, Stage 1, Cast Iron, High-Volume, Chevy, Big Block, Short, Each

Part Number: EMP-11104

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

EMP Stewart Stage 1 Water Pumps 11105

Water Pump, Stage 1, Cast Iron, High-Volume, Chevy, Big Block, Short, Each

Part Number: EMP-11105

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

EMP Stewart Stage 1 Water Pumps 11106

Water Pump, Stage 1, Iron, Chevy, Short Pump, Each

Part Number: EMP-11106

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

EMP Stewart Stage 4 Water Pumps 43163

Water Pump, Stage 4, Aluminum, Natural, High-Volume, Chevy, Small Block, Short, Each

Part Number: EMP-43163

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

EMP Stewart Stage 1 Water Pumps for 1971-1974 CORVETTE - 11204

Water Pump, Stage 1, Cast Iron, High-Volume, Chevy, 454, Short, Each

Part Number: EMP-11204

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Cast Iron Water Pumps for 1966-1974 CORVETTE - SUM-312484

5 out of 5 stars ( 7 )

Estimated Ship Date: Today

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EMP Stewart Stage 3 Water Pumps 33100

Water Pump, Stage 3, Aluminum, Race Series, Natural, High-Volume, Chevy, Small Block, 3/4 in. Pilot, Each

Part Number: EMP-33100

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

EMP Stewart Stage 3 Water Pumps 32200

Water Pump, Stage 3, Aluminum, Race Series, Natural, High-Volume, Chevy, Small Block, Each

Part Number: EMP-32200

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

EMP Stewart Stage 3 Water Pumps 33163

Water Pump, Stage 3, Aluminum, Race Series, Natural, High-Volume, Chevy, Small Block, Long, Each

Part Number: EMP-33163

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

EMP Stewart Stage 3 Water Pumps 36113

Water Pump, Stage 3, Aluminum, Race Series, Natural, High-Volume, Ford, Small Block/351W/SVO Small Block, Each

Part Number: EMP-36113

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

EMP Stewart Stage 4 Water Pumps 43103

Water Pump, Stage 4, Aluminum, Natural, High-Volume, Chevy, Small Block, Short, Each

Part Number: EMP-43103

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today