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  • 21305JD03B Nissan COOLER ASSY-OIL

21305JD03B Nissan COOLER ASSY-OIL, Price: 290.83$, Weight: 0.696kg

    • Make Number Name Availability Weight, kg Ship in, Days Price

    Nissan

    21305JD03B

    COOLER ASSY-OIL

    		 1

    0.696

    2-3

    290.83$
     

    Originals

    Make Number Name Availability Weight, kg Processing, days Price  
    Nissan
    21305JD03B 
    COOLER ASSY-OIL
    		1
    0.8
     Dispatch 24h
    349.00$
     

    Substitutions

    Make Number Name Availability Weight, kg Processing, days Price  
    Nissan
    21305JD01B 
    COOLER ASSY-OIL
    		0
    0.552
    -
    254.79$
    		 Not Available
    Nissan
    21305JD02B 
    COOLER ASSY-OIL
    		0
    0.552
    -
    236.30$
    		 Not Available
    Nissan
    21305JD00B 
    COOLER ASSY-OIL
    		0
    0.552
    -
    209.36$
    		 Not Available

    Engine Oil Heat Exchanger for Nissan Applications

    This oil cooler keeps engine lubricant in the safe temperature window during traffic, towing, and hot weather. Stable oil temp means correct viscosity, quiet timing gear, protected bearings, and cleaner internals. It boosts reliability, fuel economy, and service life—perfect for daily driving and long trips .

    How it works ️

    Mounted at the oil filter housing, a stacked-plate aluminum core transfers heat between engine oil and coolant. As hot oil flows through the plates, coolant absorbs excess heat, preventing thinning and pressure loss. Quality seals and O-rings keep circuits separate, while OE-style ports ensure steady flow and quick, direct-fit replacement.

    What happens if it’s broken ⚠️

    Clogging or cracking leads to overheated oil, pressure drop, flickering oil light, ticking valvetrain, and burnt smell. In severe cases, cross-contamination creates milky sludge, swollen hoses, and rapid bearing wear. Ignore it and you risk seized turbo/engine. Replace early; renew gaskets, flush coolant, and change oil/filter.

    Fitting notes ✅

    Clean mating surfaces, torque to spec, prefill the filter, bleed the cooling system, and recheck for leaks after warm-up. Choose OEM-grade cores for durability and stable cooling efficiency.

    Compatibility

    • Qashqai
    • X-Trail
    • Qashqai+2
    • Tiida Latio
    • Tiida
    • Teana