27 Drivetrain parts are listed for the 2009 Saturn Astra, in 7 part types, covering the 1.8L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2009 Saturn Astra, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Most of the listed parts are CV Axle (15 parts), Differential Carrier Bearing / Race (6 parts) and CV Joint Boot (2 parts). The other 4 part types cover the remaining 4 parts.
Every part on this page is matched to the 1.8L L4 — the only engine offered in the 2009 Saturn Astra.
The most listed brands for 2009 Saturn Astra drivetrain parts are GKN (6 parts), GM GENUINE (4 parts) and TOP NOTCH (4 parts), plus 5 more brands. Quality grades include Standard Replacement and Economy.
5 parts on this 2009 Saturn Astra page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including TOP NOTCH TN20344 (CV Axle) and WJB / INMOTION PARTS RB6207 (Differential Carrier Bearing / Race). Click any part number to see every vehicle that part fits.
Axle Bumper
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 90538493 | 🇺🇸 US | Rear | View on Amazon |
This table covers the Axle bumpers.
This group shows a single part: GM GENUINE 90538493.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TOP NOTCH Popular | TN20344 | 🇨🇦 CA | Front LeftManual Trans. | View on Amazon |
| TOP NOTCH Popular | TN20341 | 🇨🇦 CA | Front RightAutomatic trans. | View on Amazon |
| TRAKMOTIVE Popular | OP8775 | 🇨🇦 CA | AAR Joint Design | View on Amazon |
| GKN | 304428 | 🇨🇦 CA | Front LeftManual trans. | View on Amazon |
| GKN | 304432 | 🇨🇦 CA | Front LeftAutomatic trans. | View on Amazon |
| GKN | 304429 | 🇨🇦 CA | Front RightManual trans. | View on Amazon |
| GKN | 304433 | 🇨🇦 CA | Front RightAutomatic trans. | View on Amazon |
| GSP | NCV10316 | 🇨🇦 CA | Front LeftManual Trans. | View on Amazon |
| GSP | NCV10315 | 🇨🇦 CA | Front RightManual trans. | View on Amazon |
| GSP | NCV10313 | 🇨🇦 CA | Front RightAutomatic trans. | View on Amazon |
| GSP | NCV10314 | 🇨🇦 CA | Front LeftAutomatic trans. | View on Amazon |
| TOP NOTCH | TN20343 | 🇨🇦 CA | Front RightManual trans. | View on Amazon |
| TOP NOTCH | TN20342 | 🇨🇦 CA | Front LeftAutomatic trans. | View on Amazon |
| TRAKMOTIVE | OP8779 | 🇨🇦 CA | Front LeftManual Trans. | View on Amazon |
| TRAKMOTIVE | OP8012 | 🇨🇦 CA | Front RightManual trans. | View on Amazon |
This table covers the complete CV axle shafts from differential (or hub) to wheel. Typical signs include a click in tight turns, grease flung around the wheel well, or a vibration that builds with speed. A torn boot caught early is a boot kit; caught late it is the whole axle. Torque the axle nut to the method in the notes.
15 CV Axle parts for the 2009 Saturn Astra come from 4 brands — TOP NOTCH, GKN, GSP and 1 other brand. The "Popular" part is TOP NOTCH TN20344.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GKN | 304387 | 🇨🇦 CA | Front OuterTransmission MAN 5 SPD, Borg Warner, 85mm, 3.50 1st, .73 5th, O/d [M25] | View on Amazon |
| GKN | 306328 | 🇨🇦 CA | Front Outer | View on Amazon |
This table covers the boots that keep grease in a CV joint. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn.
2 CV Joint Boot parts for the 2009 Saturn Astra come from GKN.
Part numbers include GKN 304387 and GKN 306328.
CV Joint Lock Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 90105478 | 🇺🇸 US 🇨🇦 CA | Front Inner5 speed Manual trans. | View on Amazon |
This table covers the CV Joint Lock rings.
One part is listed for the 2009 Saturn Astra — GM GENUINE 90105478.
Differential Carrier Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | RB6207 | 🇨🇦 CA | Automatic trans.with Aisin 60-40LE Transmission | View on Amazon |
| WJB / INMOTION PARTS | WT32007X | 🇨🇦 CA | Bearing & Race Set | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 207 | 🇨🇦 CA | Automatic trans.with Aisin 60-40LE Transmission | View on Amazon |
| BCA | WE61445 | 🇨🇦 CA | Automatic trans.with 40LE Transmission Code | View on Amazon |
| BCA | NB32007 | 🇨🇦 CA | Bearing & Race SetIncludes Cup and Cone | View on Amazon |
| NATIONAL | 32007 | 🇨🇦 CA | Bearing & Race Set | View on Amazon |
This table covers the bearings and races that support the differential carrier.
6 Differential Carrier Bearing / Race parts for the 2009 Saturn Astra come from 3 brands — WJB / INMOTION PARTS, NATIONAL and BCA. The "Popular" part is WJB / INMOTION PARTS RB6207.
The Economy section lists 2 options from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS RB6207 is listed in this group.
In the Standard Replacement grade, NATIONAL and BCA supply 4 parts: built to original-equipment specification. A representative part number is NATIONAL 207.
Part numbers include WJB / INMOTION PARTS RB6207, WJB / INMOTION PARTS WT32007X and NATIONAL 207, among others listed above.
Differential Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 90345227 | 🇺🇸 US 🇨🇦 CA | Front5 speed Manual Trans. | View on Amazon |
This table covers the gaskets that seal the Differential Cover. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
This group shows a single part: GM GENUINE 90345227.
Differential Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 90079848 | 🇺🇸 US 🇨🇦 CA | Front5 speed Manual Trans. | View on Amazon |
This table covers the seals at the Differential. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2009 Saturn Astra — GM GENUINE 90079848.
Buying Drivetrain Parts for a 2009 Saturn Astra
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Confirm you have the 1.8L L4 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 differential or transfer-case fluid with any axle or seal job while everything is already open.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: CV Axle and Differential Carrier Bearing / Race .
Frequently Asked Questions
How many drivetrain parts fit the 2009 Saturn Astra?
Our catalog currently lists 27 drivetrain parts for the 2009 Saturn Astra across 7 subcategories and 8 brands, covering the 1.8L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2009 Saturn Astra?
Common symptoms include clicking in tight turns, a clunk when shifting between drive and reverse, vibration that builds with speed, or gear oil on the inside of a wheel. 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 differential or transfer-case fluid with any axle or seal job while everything is already open.
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 2009 Saturn Astra 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 2009 Saturn Astra?
Every part on this page is matched to the 1.8L L4 engine. Then a torn CV boot caught early is a cheap boot kit; caught late it is a whole axle — inspect before deciding which to buy. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2009 Saturn Astra
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