1966 OLDSMOBILE Radiators - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Performance Fit 4 Core Aluminum Radiator for 1963-1990 Buick, 1968-1990 Chevy, 1966-1990 Olds, 1965-1982 Cadillac, 1972-1980 GMC, 1967-1981 Pontiac

Radiator, Performance Fit, 4-Row, Aluminum, Polished, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SUM-384001

4.24 out of 5 stars ( 71 )

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Summit Racing™ Performance Fit 3 Row Aluminum Radiator for 1963-1990 Buick, 1968-1990 Chevy, 1966-1990 Olds, 1965-1982 Cadillac, 1972-1980 GMC, 1967-1981 Pontiac

Radiator, Performance Fit, 3-Row, Aluminum, Polished, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SUM-384000

4.59 out of 5 stars ( 44 )

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Summit Racing™ Performance Fit 4 Core Aluminum Radiator for 1961-1966 Chevy C10/20/30, K10/20, 1961-1966 Olds, 1961-1966 Pontiac

Radiator, Performance Fit, 4-Row, Aluminum, Polished, Chevy. Oldsmobile, Pontiac, Each

Part Number: SUM-384009

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Griffin Performance Fit Radiator Combos CU-70010

Griffin Performance Fit Radiator Combos CU-70010

Radiator, Crossflow, Aluminum, Natural, Transmission Cooler, Dual Fan, 10.4 amp Draw Per Fan, Chevy, Olds, Kit

Part Number: GRI-CU-70010

3.88 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Summit Racing™ Classic OEM Radiators SUM-382024

Radiator, Classic OEM, Crossflow, Copper/Brass, Black, 3-row, Buick, Cadillac, Chevy, Chrysler, Olds, Pontiac

Part Number: SUM-382024

4.42 out of 5 stars ( 26 )

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Summit Racing™ Performance Fit 2 Row Aluminum Radiator for 1963-1990 Buick, 1965-1982 Cadillac, 1968-1990 Chevy, 1972-1982 GMC, 1966-1990 Olds, 1967-1981 Pontiac

Radiator, Performance Fit, 2-Row, Aluminum, Polished, Chevy, Buick, Oldsmobile, Pontiac, GMC, Each

Part Number: SUM-384041

4.31 out of 5 stars ( 16 )

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Griffin Performance Fit Radiator Combos CU-00008-LS

Radiator, Crossflow, 2-row, Aluminum, Natural, Dual Fan, Black Aluminum Shroud, LS-Engine, Buick, Chevy, Pontiac, Kit

Part Number: GRI-CU-00008LS

4.0 out of 5 stars ( 11 )

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Griffin Performance Fit Radiator Combos CU-00010

Radiator, Crossflow, Aluminum, Natural, Dual Fan, 10.4 amp Draw Per Fan, Buick, Chevy, GMC, Olds, Pontiac, Kit

Part Number: GRI-CU-00010

4.56 out of 5 stars ( 18 )

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Fluidyne High Performance Radiators RGM.3R3319.A

Radiator, Aluminum, Natural, 3-Row, Chevy, Pontiac, GMC, Buick, Oldsmobile, Each

Part Number: FLD-RGM-3R3319-A

5.0 out of 5 stars ( 1 )

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Summit Racing™ Pro LS Swap Radiators SUM-381446

Radiator, LS Swap, Crossflow, Dual-Row, Aluminum, Natural, Transmission Cooler, 31.25 in. Wide, 18.62 in. High, 3.00 in. Thick, Chevy, Pontiac, Each

Part Number: SUM-381446

3.0 out of 5 stars ( 2 )

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Summit Racing™ Performance Fit 3 Row Aluminum Radiator for 1961-1966 Chevy C/K Series, 1961-1966 Olds F85, Cutlass, Dynamic, 1961-1966 Pontiac Catalina, Bonneville, Grand Prix

Radiator, Performance Fit, 3-Row, Aluminum, Polished, Chevy. Oldsmobile, Pontiac, Each

Part Number: SUM-384008

4.88 out of 5 stars ( 8 )

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Griffin Performance Fit Radiator Combos CU-00010-LS

Radiator, Crossflow, Aluminum, Natural, Dual Fan, 10.4 amp Draw Per Fan, Buick, Chevy, GMC, Olds, Pontiac, Kit

Part Number: GRI-CU-00010-LS

2.0 out of 5 stars ( 4 )

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Frostbite Performance Cooling Aluminum Radiators FB134

Radiator, Aluminum, 4-Row, Polished, Crossflow, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: FBR-FB134

5.0 out of 5 stars ( 7 )

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Frostbite Performance Cooling Aluminum Radiators FB133

Radiator, Aluminum, 3-Row, Polished, Crossflow, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: FBR-FB133

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Cold Case Performance Aluminum Radiators GMA43A

Radiator, Performance, Aluminum, Polished, Crossflow, 2 Row, Transmission Cooler, Buick, Oldsmobile, Each

Part Number: RAD-GMA43A

3.5 out of 5 stars ( 6 )

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Summit Racing™ Pro LS Swap Radiators SUM-384062

Radiator, Aluminum, Natural, 3-Row, LS Swap, Chevy, GM, Each

Part Number: SUM-384062

Not Yet Reviewed

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Summit Racing™ Classic OEM Radiators SUM-382040

Radiators, Classic OEM, Crossflow, Copper/Brass, Black, Transmission Cooler, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: SUM-382040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Griffin Performance Fit Radiators 8-70010-LS

Radiator, Crossflow, Dual-Row, Aluminum, Natural, 31.25 in. Wide, 18.62 in. High, 3.0 in. Thick, Each

Part Number: GRI-8-70010-LS

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Griffin Performance Fit Radiators 8-00008-LS

Radiator, Crossflow, Dual-Row, Aluminum, Natural, 33.25 in. x 19.00 in. 3.0 in. Thick, LS-Engine, Manual, Each

Part Number: GRI-8-00008-LS

3.43 out of 5 stars ( 7 )

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OSC Automotive Radiators 161

Radiator, Exact Fit, Aluminum, Plastic, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: OSC-161

3.0 out of 5 stars ( 3 )

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Cold Case Night Rider Series Performance Aluminum Radiators for 1966-1971 442 - GMA43AB

Radiator, Performance, Aluminum, Black, Crossflow, 2 Row, Olds, Each

Part Number: RAD-GMA43AB

Not Yet Reviewed

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Griffin Exact Fit Radiators 6-70187

Radiator, Exact-Fit, Aluminum, Crossflow, 2-Row, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: GRI-6-70187

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Cold Case Performance Aluminum Radiators for 1968 CHEVY II, 1969-1972 NOVA - CHN548A

Not Yet Reviewed

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Frostbite Performance Cooling Aluminum Radiators FB300

Radiators, Cooling, Crossflow, Aluminum, Natural, Engine Swap, Buick, Chevy, Oldsmobile, Pontiac, Small Block LS, Each

Part Number: FBR-FB300

Not Yet Reviewed

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Summit Racing™ Plastic/Aluminum Radiators SUM-380535

Radiator, Exact Fit, Aluminum, Plastic, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SUM-380535

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Griffin Exact Fit Radiators 6-70006

Radiator, Aluminum, Exact Fit, Crossflow, Buick, Chevy, Olds, Pontiac, Each

Part Number: GRI-6-70006

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Today

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