The SR20DET is the engine most people picture when they think of a Silvia or a 180SX. It’s light, it revs, it takes boost well, and there’s a huge aftermarket behind it. If yours has spun a bearing, dropped compression or you’re doing a swap, we have a Nissan SR20DET engine for sale, tested and ready to ship anywhere in the world.
Ready to buy? See the price, photos and stock for our fairly used Nissan SR20DET engine for sale in the shop.
Below you’ll find the specs, the different versions (red top, black top, S14, S15 and the front-wheel-drive engines), what to check, and how ordering works. We sell complete engines and match them to your car before you pay.
Table of Contents
Why the Nissan SR20DET Engine for Sale Is Always in Demand
Nissan built the SR20DET from 1989 to 2002. It’s a 2.0 litre four-cylinder with twin cams, four valves per cylinder and a turbo. In the Silvia it was rear-wheel drive, which made it a favourite for drifting and track days. In the Pulsar GTi-R and Bluebird it went sideways in a different way, as an all-wheel-drive rally engine.
The demand never really went away. Drift cars break engines. Old S13s and S14s are still being fixed and swapped. And in some countries, the SR20DET is the go-to swap for cars that came with weaker engines from the factory, like the US-market 240SX. That’s why a clean Nissan SR20DET engine for sale doesn’t sit around for long.
Nissan SR20DET Engine Specifications
Outputs changed a lot across the different versions, so these are the core figures. Every Nissan SR20DET engine for sale we offer is identified by version before we quote it.
| Specification | Nissan SR20DET |
|---|---|
| Layout | Inline 4-cylinder, turbocharged and intercooled |
| Displacement | 1,998 cc (2.0 litres) |
| Bore x stroke | 86 mm x 86 mm |
| Valvetrain | DOHC, 4 valves per cylinder (16 valves) |
| Camshaft drive | Timing chain |
| Block / head | Cast iron block, aluminium head |
| Compression ratio | Around 8.5:1 on most versions |
| Turbo | Garrett T25 on early engines, T28 on later engines |
| Power | From about 204 PS at 6,000 rpm up to 250 PS at 6,400 rpm (S15) |
| Torque | About 266 to 280 Nm at 4,800 rpm |
| Production | 1989 to 2002 |
The full SR family, from the SR16 to the SR20VE, is covered in the Nissan SR engine overview if you want the background.
Square bore and stroke
86 by 86 mm gives the SR20DET a nice balance between low-end pull and willingness to rev. It’s one reason the engine feels lively for its size.
Timing chain
No belt changes to worry about, but chains still wear, especially with poor oil. A rattling chain on start-up is one of the first things we listen for on any Nissan SR20DET engine for sale.
Turbo and intercooler
Early engines used a Garrett T25. Later S14 and S15 engines moved to the bigger T28, which is part of why they make more power. All versions are intercooled.
The SR20DET Versions, Explained
This is where most buying mistakes happen. “SR20DET” covers several different engines that don’t all swap straight across. Before you choose a Nissan SR20DET engine for sale, find out which one your car needs.
Red top
The earliest version, named for its red cam cover. Found in early S13 Silvias and the U12 Bluebird. Smaller turbo, lower power, and the oldest of the bunch.
Black top (S13)
The later S13 engine, with a black and silver cam cover. Still a T25 turbo, slightly revised. Common in S13 Silvias and the 180SX.
S14 engine (often called the notch top)
Brought variable cam timing on the intake side and the bigger T28 turbo. More power and more torque than the S13 engine.
S15 engine
The final and most powerful rear-drive version, rated at 250 PS in the Silvia Spec-R. It’s usually the most expensive SR20DET to buy.
Front-wheel-drive and AWD engines
The Pulsar GTi-R, Bluebird SSS ATTESA, Avenir and others used transverse-mounted SR20DETs. These have a different layout, intake and sump from the Silvia engines. They’re not a simple swap into a rear-drive car.
Our advice: replace like with like. If you’re swapping into a different car, tell us the car and we’ll help you choose the version that makes the job easiest.
Which Cars Use the Nissan SR20DET?
Rear-wheel drive (longitudinal):
- Nissan Silvia S13 K’s (1991 to 1994)
- Nissan 180SX (S13)
- Nissan Silvia S14 K’s and 200SX S14 (1994 to 1998)
- Nissan Silvia S15 Spec-R and 200SX S15 (1999 to 2002)
Front-wheel and all-wheel drive (transverse):
- Nissan Bluebird U12 and U13 SSS ATTESA Limited
- Nissan Pulsar GTi-R (RNN14)
- Nissan Avenir GT Turbo and Salut
- Nissan R’nessa GT Turbo
- Nissan Liberty GT4
It’s also one of the most popular swaps into the US-market 240SX, which came with a non-turbo KA24 engine. If you’re doing that swap, tell us and we’ll quote a Nissan SR20DET engine for sale with the parts that make it easier.
Doing the 240SX Swap? Read This First
A big share of our SR20DET buyers are putting the engine into a US-market 240SX, which left the factory with the 2.4 litre KA24. The swap is popular because the SR is lighter, revs harder and makes a lot more power with the turbo. It’s also well documented, so most experienced mechanics have done it before.
That said, it’s more than just dropping in a motor. You’ll usually need:
- A rear-drive SR20DET (S13 or S14 versions are the usual choice)
- The matching gearbox, or an adapter to suit
- A wiring harness adapter or a full loom and engine computer from the donor car
- Intercooler piping and a front-mount intercooler if your car doesn’t have one
- Fuel pump and fuel system checks to suit the higher demand
- Possibly different engine mounts and a cooling upgrade
Many swappers buy a front clip or a “swap package” that includes the loom and engine computer, which saves a lot of headaches. Ask us for a Nissan SR20DET engine for sale with those parts included and we’ll check what we have. Tell us whether your car is an S13 or S14 chassis, because the parts differ.
Where Our SR20DET Engines Come From
Most of our SR20DETs come from Japanese-market donor cars. Japan’s strict inspection rules mean many cars come off the road with healthy engines, which is good news for buyers. We still test every one, because age and past use vary a lot.
We match each Nissan SR20DET engine for sale to the car it came from, so you know exactly which version you’re getting. That’s the part many sellers skip, and it’s why some buyers end up with a front-drive engine when they needed a rear-drive one.
What Comes With Our Nissan SR20DET Engine for Sale
Our standard Nissan SR20DET engine for sale is a complete engine from a donor car. Depending on the unit and your order, it usually includes:
- Block with crankshaft, pistons and rods
- Aluminium DOHC head with camshafts and valves
- Turbocharger and exhaust manifold
- Intake manifold, throttle body and injectors
- Timing chain assembly
- Alternator and other ancillaries on many units (confirmed on your quote)
Some engines can come as a front clip or with the gearbox, wiring loom and engine computer. Tell us what you need for your swap and we’ll check stock.
How We Test Every SR20DET
- Compression test on all four cylinders.
- Leak-down check where possible.
- Timing chain checked for slack and noise.
- Visual inspection for cracks, weld repairs and signs of overheating.
- Turbo check for shaft play, oil leaks and blade damage.
- Photos and video sent to you before crating.
Every Nissan SR20DET engine for sale that ships from us has passed these checks. If an engine shows signs of past tuning or hard use, we say so.
Stock vs Modified: The Honest Truth
A lot of SR20DETs have lived hard lives. Drift days, high boost, cheap tunes, missed oil changes. That’s the reality of this market.
We grade every engine honestly. A stock engine in good health is the safest choice for a road car. For a build, a solid core matters more than the ancillaries. Tell us what you’re planning and we’ll point you to the right Nissan SR20DET engine for sale for that job.
One more thing on modified engines. Aftermarket parts aren’t automatically bad. A well-built engine with quality parts, fitted by someone who knew what they were doing, can be a better buy than a tired stock unit. The problem is that you usually can’t tell from a listing. That’s why we look for signs like non-standard injectors, boost lines, missing emissions parts, oil in the intercooler piping and scoring on the cylinder walls. If we find them, we tell you, and we price the engine to match. You decide whether that engine is right for your car. Nothing gets hidden, and you won’t open the crate to a surprise.
Common SR20DET Problems
These are the faults that come up most often. They’re also what we look for before any Nissan SR20DET engine for sale is offered.
Rocker arm problems
Over-revving can throw a rocker arm. Many owners fit rocker arm stoppers as a cheap fix.
Oil starvation
Long, hard cornering on track can starve the oil pickup, leading to bearing damage. Baffled sumps help a lot.
Timing chain and tensioner wear
Neglected oil changes wear the chain and guides. A rattle on start-up is the warning sign.
Variable cam timing rattle
S14 and S15 engines can develop a rattle from the variable cam timing gear. It’s common and fixable, but worth knowing about.
Turbo seals and wear
Old turbos leak oil and lose boost. Hot shutdowns after hard runs make it worse.
Head gasket and piston damage on tuned engines
Too much boost or a lean tune can damage pistons and lift the head gasket.
Repair or Replace?
A tired turbo, a stuck cam timing solenoid, a boost leak or a bad sensor can make an SR20DET feel terrible while the core is fine. We’d rather you fix those.
A simple compression test and a leak-down test tell your mechanic most of what they need to know. If all four cylinders are close to each other and the leak-down is low, the engine is probably worth keeping. If one cylinder is well down, or air is escaping into the crankcase or coolant, it’s time to start looking at a replacement. Send us the numbers and we’ll help you read them before you buy a Nissan SR20DET engine for sale from anyone, including us.
Replacement makes sense when compression is low or uneven, a bearing has spun, a piston is damaged, or the head is cracked. By the time you pay for a machine shop and parts, a tested Nissan SR20DET engine for sale is often the quicker, cheaper option. Send your mechanic’s findings and we’ll give you a straight answer.
SR20DET or RB25DET?
Swappers often weigh the SR20DET against Nissan’s six-cylinder RB25DET. Both are turbo engines from the same era, but they suit different builds.
- The SR20DET is lighter and shorter. It keeps a light car’s balance and fits engine bays like the Silvia’s without fuss.
- The RB25DET is a longer, heavier inline six with more torque and that classic straight-six sound. It needs more room and often more fabrication in a Silvia.
Neither is “better”. It depends on your car and what you want from it. If you’re stuck between the two, tell us about the car and we’ll give you our honest view on whether a Nissan SR20DET engine for sale or an RB is the smarter buy.
What a Healthy Used SR20DET Looks Like
- Even compression across all four cylinders
- Clean oil with no milky colour or metal glitter
- No rattle from the timing chain on start-up
- A turbo with minimal shaft play and no wet oil in the compressor housing
- No cracks or weld repairs on the head or block
- Rocker arms and cam lobes in good shape under the cam cover
These are the things we check, and you’ll see the evidence in our photos.
Fitment Checklist
Before we confirm any Nissan SR20DET engine for sale, we ask for:
- Car make, model and year
- Chassis code (S13, RPS13, S14, S15, RNN14 and so on)
- Which version you’re replacing, or what you’re swapping into
- Manual or automatic
- Whether you need the loom, engine computer or gearbox
- Photos of your current engine bay
Other Performance Engines We Supply
Comparing options? We also have the Nissan RB25DET, Nissan RB26DETT, Nissan VR38DETT, Toyota 2JZ-GTE and Mitsubishi 4G63T. Browse the Nissan engines range, including the RB26DET and VR38DETT, or the whole shop.
Installation Tips
We send these notes with every Nissan SR20DET engine for sale:
- Prime the turbo and oil system before the first start.
- Clean the intercooler and pipes if your old engine or turbo failed.
- Fresh oil, filter and coolant, and a new thermostat.
- Check the timing chain and listen for rattles on first start.
- Run a sensible tune that matches the engine and turbo.
- Break it in gently: vary revs and keep boost low for the first few hundred kilometres.
Looking After Your SR20DET
- Change oil often, especially if you drive it hard.
- Fit rocker stoppers if they’re not already there.
- Use a baffled sump if you do track days.
- Let the turbo cool after hard runs.
- Watch oil pressure and temperature with proper gauges.
Who Buys an SR20DET From Us
Silvia and 180SX owners with a tired or damaged engine who want the original type back.
Swappers, mostly 240SX owners, who need a rear-drive engine and often the loom and engine computer.
Drift and track drivers who go through engines and want a spare ready.
Pulsar GTi-R and Bluebird owners who need one of the less common transverse engines.
Tell us which group you’re in. It helps us suggest the right Nissan SR20DET engine for sale, not just the one we happen to have on the shelf.
Importing an SR20DET: Mistakes to Avoid
- Buying the wrong layout. Front-drive and rear-drive SR20DETs aren’t interchangeable.
- Not planning the wiring. Swaps need the right loom or an adapter.
- Forgetting local rules and costs. Duties, port fees and engine import rules differ by country.
- Accepting stock photos. Ask for clear photos of the actual Nissan SR20DET engine for sale, including the engine number.
Workshops and Repeat Buyers
Many of our SR20DET orders come from workshops that build drift cars or do swaps regularly. If that’s you, ask about buying more than one engine. Shipping several together usually lowers the freight per engine, and you’ll have a spare ready when the next customer’s car comes in. Repeat buyers can ask to hear first when a Nissan SR20DET engine for sale in good condition arrives.
Price: What Affects It
- Version: S15 engines usually cost the most, red tops the least
- Layout: rear-drive or front-drive engine
- Condition: used, reconditioned or rebuilt
- What’s included: long block, complete engine, or full swap package
- Freight: destination and shipping method
Worldwide Shipping on Every Nissan SR20DET Engine for Sale
We ship to Africa, the Middle East, Asia, Europe, North, Central and South America, the Caribbean, Australia, New Zealand and the Pacific islands.
- Send your car and engine details.
- We confirm the right version and send photos and a quote.
- You approve and pay.
- We drain, seal and crate the engine.
- It ships by sea or air, with tracking.
- You or your clearing agent collect after customs.
Duties and local fees are paid at your end. Some countries have specific rules on imported engines, so check locally. Our shipping policy explains how it works.
Warranty
Every engine we sell has a warranty against internal mechanical failure, with the terms written on your quote. It doesn’t cover engines run on aggressive tunes or modified after delivery. Full details are in our refund and returns policy. The same terms apply to every Nissan SR20DET engine for sale we ship, whatever version you buy.
Why Buy From NJ Global Auto Parts
- We confirm the version and layout before you pay.
- Honest grading, including signs of past tuning.
- Real photos and video of the engine.
- One clear quote with crating and freight.
- Worldwide shipping, with help on imports.
Frequently Asked Questions
Which SR20DET is the best?
For outright power, the S15 engine. For value, a healthy S13 black top or S14 engine is hard to beat. The best one is the one that suits your car and budget.
Can a front-drive SR20DET go in a Silvia?
Not easily. Layout, intake and sump differ. It’s far simpler to buy a rear-drive engine.
Is buying a Nissan SR20DET engine for sale cheaper than rebuilding mine?
For a stock car, often yes. For a big power build, many people buy a solid core and rebuild it with upgraded parts.
Do you sell front clips or swap packages?
Sometimes, depending on the donor car. A front clip usually includes the engine, gearbox, loom and engine computer. Ask and we’ll check.
Is a Nissan SR20DET engine for sale from you complete with the turbo?
Most complete units include the turbo. Your quote will list exactly what’s fitted, so there are no surprises.
How do I order?
Use our contact page, call +1 (209) 733-0882, or WhatsApp +1 209 690 5983 with your car details. We’ll confirm the right Nissan SR20DET engine for sale and send your quote.
Get Your Nissan Back on the Road
A good SR20DET is still one of the most fun engines you can put in a light rear-drive car. Get the right version and look after it, and it’ll give you years of enjoyment.
Send us your details today. We’ll match the right Nissan SR20DET engine for sale, show you the actual engine, and give you a clear price shipped to your door or port.