The 2021 Jac Sunray has 5 exhaust & emission parts with verified fitment on this page — 1 part type and 1 brand, covering the 2.7L L4 DIESEL Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2021 Jac Sunray, the exhaust & emission system carries combustion gases out safely and keeps emissions equipment — catalytic converters, O2 sensors, EGR — doing its job. Every listed part is a Diesel Exhaust Fluid (DEF).
Every part on this page is matched to the 2.7L L4 DIESEL Turbocharged — the only engine offered in the 2021 Jac Sunray.
Every exhaust & emission part listed for the 2021 Jac Sunray comes from PEAK.
1 part on this 2021 Jac Sunray page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — PEAK DEF002 (Diesel Exhaust Fluid (DEF)). Click any part number to see every vehicle that part fits.
Diesel Exhaust Fluid (DEF)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PEAK Popular | DEF002 | 🇲🇽 MX | Bluedef 2.5GAL | View on Amazon |
| PEAK | KLF002 | 🇲🇽 MX | Kleendef 2.5GAL | View on Amazon |
| PEAK | DEF003 | 🇲🇽 MX | Bluedef 1 Gallon | View on Amazon |
| PEAK | DEG002 | 🇲🇽 MX | Bluedef Platinum 2.5 Gallon | View on Amazon |
| PEAK | KLF003 | 🇲🇽 MX | Kleendef 1 Gallon | View on Amazon |
This table covers the diesel exhaust fluid listed for this SCR system. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable.
5 Diesel Exhaust Fluid (DEF) parts for the 2021 Jac Sunray come from PEAK. The "Popular" part is PEAK DEF002.
Part numbers include PEAK DEF002, PEAK KLF002 and PEAK DEF003, among others listed above.
Buying Exhaust & Emission Parts for a 2021 Jac Sunray
On this vehicle, the exhaust & emission system carries combustion gases out safely and keeps emissions equipment — catalytic converters, O2 sensors, EGR — doing its job.
- Confirm you have the 2.7L L4 DIESEL Turbocharged engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the gaskets, flange hardware and often the downstream oxygen sensor with any converter or manifold work.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Diesel Exhaust Fluid (DEF) .
Frequently Asked Questions
How many exhaust & emission parts fit the 2021 Jac Sunray?
Our catalog currently lists 5 exhaust & emission parts for the 2021 Jac Sunray across 1 subcategory and 1 brand, covering the 2.7L L4 DIESEL Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of exhaust & emission problems on a 2021 Jac Sunray?
Common symptoms include a louder exhaust note, sulfur smell, rattling from under the floor, poor fuel economy, or emissions-related check-engine codes. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the gaskets, flange hardware and often the downstream oxygen sensor with any converter or manifold work.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 Jac Sunray was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2021 Jac Sunray?
Every part on this page is matched to the 2.7L L4 DIESEL Turbocharged engine. Then confirm CARB versus Federal emissions certification before ordering a catalytic converter — the wrong one may be illegal to install in your state. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Jac Sunray
Exhaust & Emission Parts for Other Jac Sunray Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.