Select Your Vehicle

Select by Brand

Get Email Exclusives

Sign up for email updates on the latest exclusive offers

Nissan D21 Parts And Nissan D21 Accessories

Below you'll find a wide variety of Nissan D21 parts and accessories. Enter the year of your Nissan D21 to get a more customized product set. And remember, with our industry leading 30-day Guarantee, you can ensure you're shopping with a trusted partner.

Nissan D21 Parts

Nissan D21 Articles

  • Understanding the Common Issues with the Nissan D21

    The Nissan D21 is a small sturdy pick-up truck that was essentially developed to be a staple workhorse for people with a modest budget. The model was introduced in the early 1980s in North America as the successor of the Datsun 720. It showcased a boxy styling that earned it the name Hardbody. During those years, it competed head to head against the Toyota 1 Ton compact truck. As the automotive industry welcomed the new decade, the D21 still maintained its straightforward appeal with a few minor changes. Despite these, the vehicle remained intact and dependable. However, it can develop issues after clocking in many miles worth of service.

    Rough engine idling

    Whenever you crank an engine of any vehicle, the components inside the block begin to operate. The movement inside should reflect on the tachometer. Ideally, the needle in the tach would hover around 1,000 rpm. A constant even buzzing sound should also be heard, indicating that the engine is properly running. However, if you find your Nissan D21 having an inconsistent idle behavior, it might be a sign that there is something wrong with your engine. You might notice that the rpm reading is either higher or lower than usual. Aside from that, there might be a strange vibration piercing right through the core accompanied by a skipping sound. Now that you sorted out the symptoms, let\'s try to take a look at the possible issues causing the rough idle.

    The ignition timing might be too advanced or retarded

    In petrol-fed engines, the power is generated with the help of the spark plugs, distributor, and other electrical components. These parts work together to produce the jolt that sets the detonation in the chamber. Everything has to be synchronized so that when the piston reaches the top of the compression stroke, the burst of energy can drive it down right away. However, the engine will behave differently when the distributor is tweaked for an advanced or retarded timing. While adjusting it in small increments can improve the way the engine runs, deviating too much from the stock tuning will leave components out of sync with each other. Therefore, you will experience rough idling.

    The fuel system is compromised with a vacuum leak

    On older engines, air and fuel are delivered to the engine through the carburetor. Such engines rely on the vacuum generated between the carburetor and the piston head to be able to suck in the correct mixture. A healthy system will enable your D21 to run well and produce ample power when needed. However, if a leak develops in the system, the engine will not be able to operate appropriately. There will be rough idling accompanied by a significant loss in power. Once you have identified this as the root cause of your problem, it would be best to fix it as soon as possible. Otherwise, you risk developing more harmful engine issues. You would not want that to happen, right?