BUICK RIVIERA Enginetech Cylinder Heads

Engine Cylinder Head Complete Reman 95-05 BUI/CHV/OLD/PON 3.8L/4.6L

Part Number: EGN-CH1119R

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Guide 57-91 AMC/BUI/CHV/CHR/DOD/FRD/International/JEP/MER/PLY/PON

Part Number: EGN-GD6108

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Estimated Ship Date: Nov 24, 2026 if ordered today

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Engine Valve Guide 55-02 AMC/BUI/CAD/CHV/FRD/GMC/JEP/LIN/MER/OLD/PON

Part Number: EGN-GD9607

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Estimated Ship Date: Today

Engine Valve Guide 67-95 BUI/CAD/CHV/GM/GMC/OLD/PON 4.3L/5.7L/6.6L

Part Number: EGN-GD7946

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Seat 50-84 BUI/CAD/CHV/FRD/GMC/MER/OLD/PON 2.5L/3.0L/3.2L/3.5L/3.8L/4.1L/4.3L/4.6L/4.8L/5.0L/5.1L/5.3L/5.7L

Part Number: EGN-ST15622

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Seat 78-03 BUI/CAD/CHV/DOD/JEP/OLD/PLY 3.9L/5.2L/5.7L/5.9L

Part Number: EGN-ST168716

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Guide 55-01 AMC/BUI/CAD/CHV/FRD/GM/GMC/JEP/LIN/MER/OLD/PON

Part Number: EGN-GD5607

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Seat 57-06 AMC/BUI/CAD/CHV/CHR/DOD/EAG/FRD/GMC/JEP/MER/OLD/PLY/PON 2.5L/4.0L/4.8L/5.1L/5.2L/5.4L/5.7L/5.9L/6.4L/6.6L/6.7L/6.8L/7.0L/7.4L

Part Number: EGN-ST20001

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Seat 64-90 BUI/CAD/CHV/FRD/OLD/PON 5.0L/5.4L/5.8L/5.9L/6.4L

Part Number: EGN-ST18752

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Guide 55-95 BUI/CAD/CHV/FRD/GMC/LIN/MER/OLD/PON

Part Number: EGN-GD9606

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Guide 55-02 AMC/BUI/CAD/CHV/FRD/GMC/JEP/LIN/MER/OLD/PON

Part Number: EGN-GD9607H

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Seat 61-93 AMC/BUI/CAD/CHV/CHR/DOD/FRD/GMC/JEP/MER/PLY/PON 1.6L/2.5L/2.8L/3.3L/3.6L/3.9L/4.5L/5.2L/5.7L/5.8L/7.0L

Part Number: EGN-ST16251

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Seat 61-93 AMC/BUI/CAD/CHV/CHR/DOD/FRD/GMC/JEP/MER/OLD/PLY/PON 1.6L/2.5L/2.8L/3.3L/3.6L/3.9L/4.5L/4.9L/5.2L/5.7L/5.8L/7.0L

Part Number: EGN-ST16251PM

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Seat 60-14 BUI/CAD/CHV/FRD/GMC/LIN/MAZ/MER/OLD/PON 2.3L/2.4L/2.5L/3.8L/4.2L/4.3L/4.5L/4.7L/4.8L/4.9L/5.0L/5.7L/5.8L/6.6L

Part Number: EGN-ST15621PM-25

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Cylinder Head Bolt Set 88-95 BUI/CHV/OLD/PON 3.3L/3.8L

Part Number: EGN-HB140

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Guide 55-95 BUI/CAD/CHV/FRD/GMC/LIN/MER/OLD/PON 2.5L/3.2L/3.3L/3.8L/4.1L/4.3L/4.5L/4.6L/4.8L/4.9L/5.1L/5.3L/5.7L/5.8L/6.4L/6.9L/7.0L/7.5L

Part Number: EGN-GD5606

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Seat 65-82 BUI/CAD/FRD/LIN/MER/OLD/PON 5.7L/5.8L/6.6L/7.0L/7.7L/8.2L

Part Number: EGN-ST21252

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Guide 57-91 AMC/BUI/CHR/DOD/JEP/PLY/PON 2.8L/3.2L/3.7L/4.5L/5.2L/5.6L/5.7L/5.9L/6.3L/6.6L/7.0L/7.2L/7.5L

Part Number: EGN-GD9113

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Cylinder Head Bolt Set 95-08 BUI/CHV/OLD/PON 3.8L/5.3L

Part Number: EGN-HB141

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Estimated Ship Date: Nov 24, 2026 if ordered today

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Engine Valve Seat 58-08 AMC/BUI/CAD/CHV/CHR/DOD/FRD/GMC/JEP/LIN/MAZ/MER/MKR/OLD/PLY/PON

Part Number: EGN-ST17502-25

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Estimated Ship Date: Nov 24, 2026 if ordered today

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Engine Valve Guide 55-88 BUI/CAD/CHV/FRD/GMC/MER/OLD/PON 3.2L/3.7L/3.8L/4.8L/5.1L/6.4L/7.7L/8.2L

Part Number: EGN-GD9105-100

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Seat 60-14 BUI/CAD/CHV/FRD/GMC/LIN/MAZ/MER/MKR/OLD/PON 2.3L/2.4L/2.5L/3.8L/4.2L/4.3L/4.5L/4.7L/4.8L/4.9L/5.0L/5.7L/5.8L/6.6L

Part Number: EGN-ST15621

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Seat 58-08 AMC/BUI/CAD/CHV/CHR/DOD/FRD/GMC/JEP/LIN/MAZ/MER/MKR/OLD/PLY/PON

Part Number: EGN-ST17502

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Estimated Ship Date: Nov 24, 2026 if ordered today

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Engine Valve Seat 60-14 BUI/CAD/CHV/FRD/GMC/LIN/MAZ/MER/OLD/PON 2.3L/2.4L/2.5L/3.8L/4.2L/4.3L/4.5L/4.7L/4.8L/4.9L/5.0L/5.7L/5.8L/6.6L

Part Number: EGN-ST15621PM

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Estimated Ship Date: Nov 25, 2026 if ordered today

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Engine Valve Seat 53-08 BUI/CAD/CHV/GMC/OLD/PON 3.0L/3.3L/3.8L/4.1L/5.3L/5.7L/6.0L/6.6L

Part Number: EGN-ST15629

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Estimated Ship Date: Nov 25, 2026 if ordered today

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